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The document discusses using a number line to subtract whole numbers. It explains that a number line can be used to subtract either by counting back, which involves subtracting the numbers in stages moving from the larger to the smaller number, or by counting on, which involves adding the numbers in stages moving from the smaller to the larger number. It provides examples of using counting back and counting on to solve 16 - 7. It also discusses subtracting larger numbers by either working with the tens place value first then the ones, or vice versa.

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Addition subtraction pd

This document outlines the goals and plans for a professional development session on teaching addition and subtraction. It aims to improve student enjoyment and achievement in math by increasing the use of concrete materials, familiarity with skill progressions, setting open-ended problems, and using online resources. The PD will investigate mental and written addition/subtraction concepts using concrete materials and rich tasks. References and an agenda are provided, with the agenda including open tasks, strategies, and summaries of effective teaching based on research emphasizing modeling, context, flexibility, and place value understanding.

4-6 Estimating Products

This document provides examples of estimating products by rounding numbers to the greatest place value. It shows rounding dollar amounts and whole numbers to the nearest hundred, ten, or ones place. The steps shown are to round each number, then multiply the rounded numbers using mental math. Examples include estimating $187 x 18 by rounding to $200 x 20 = $4,000, and 147 x 353 by rounding to 100 x 400 = 40,000.

Multiply by 10, 100, 1000, etc...

The document explains how to multiply numbers by 10, 100, and 1,000. It notes that in the decimal system, each place value represents a number 10 times greater than the place to its right. To multiply a number like 6 by 10, we write the 6 in the ones place of the next column with a 0 placeholder. The same process is followed for multiplying by 100 and 1,000, moving the number over two and three columns respectively and adding zero placeholders. Examples are provided to demonstrate multiplying single-digit numbers by 10, 100 and 1,000.

Reading and writing_numbers

The document discusses how to write and read numbers in both figures and words. It explains that numbers can be written as figures using digits or as words using letters. It provides examples of numbers written in figures and words. The document then presents rules for converting between figures and words, such as using place value and following patterns like "forty-five" for two-digit numbers over 20. It provides practice problems and guidance for converting single- and multi-digit numbers between figures and words.

Adding without Regrouping

This document discusses adding numbers without regrouping. It explains that adding numbers means combining two sets to form a new set. It provides examples of adding two-digit and three-digit numbers step-by-step without regrouping. The steps are to add the ones, tens, and hundreds places separately. Practice problems are included for the reader to try adding numbers without regrouping.

Tables 2 to 10

A quick revision of Multiplication Tables from 2 to 10. Revise it daily and ensure that you never forget it :)
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Multiplication arrays ppt

The document teaches how to write number sentences to describe arrays of counters arranged in equal rows. It provides examples of writing multiplication and addition number sentences for arrays of various quantities of counters, from 6 to 18 counters. Students are asked to write number sentences for arrays with specified quantities of counters.

Addition of Numbers

Addition is putting together two or more sets to form a new set. It uses the symbol plus (+) to represent combining numbers. The addends are the numbers that are added together, and the sum is the result of adding two or more numbers. For example, in the addition sentence 2 + 1 = 3, the addends are 2 and 1, and the sum is 3. Practice problems are provided to help understand addition.

Addition with Three Addends

This document provides an overview of addition:
- Addition is combining two or more sets to form a new set. It uses the symbol "+" and involves addends and a sum.
- When adding 3 or more numbers, it is easiest to group the addends and add them together in steps to find the total sum.
- Examples are provided of adding multiple addends horizontally and vertically.

Prime and Composite Numbers

The document defines prime and composite numbers. A prime number has only two factors - itself and 1, and is only divisible by those two numbers. A composite number has more than two factors. This is illustrated with 2 being a prime number since it only has two factors, and 6 being a composite number since it has four factors. The key points are that a prime number has two factors, a composite number has more than two, and these categories do not apply to negative integers.

multiplication tables

Memorizing your multiplication tables (or trying to help your child/student learn them) can be really hard, especially since it requires so much practice and since the multiplication tables are used in all levels of math (even in high school math!). But until you feel really comfortable with your multiplication facts, here are some tricks that may help you solve and remember them!

Multiplication and Division Rules

Multiplication and division are opposites. Multiplication means grouping numbers, while division means sharing a number into groups. The document provides rules and examples for multiplying and dividing small whole numbers. Key rules include: multiplying by 0 equals 0; multiplying by 1 equals the original number; doubling a number is the same as multiplying by 2; and multiplying by 10 moves the digits left and adds a 0.

Add and subtract

This lesson plan teaches kindergarten students about addition and subtraction. It includes definitions of key terms like addends and sum, provides examples of addition and subtraction problems, and introduces a picture strategy for solving problems. Students practice sample problems and take a quiz to evaluate their learning. The goal is for students to understand and be able to perform single-digit addition and subtraction through visual representations and practice.

Subtraction with regrouping

The document discusses regrouping or borrowing in subtraction. It explains that regrouping involves taking ten from one number to give to another when subtracting two numbers where the number being subtracted is larger than the number it is being subtracted from. Examples are provided to demonstrate regrouping, and an interactive game asks the reader to identify when regrouping is necessary in subtraction problems. The document concludes by recapping that regrouping is needed when the number being subtracted is larger than the number it is being subtracted from.

Simple Division for Primary School

Helping parents to understand the correct method of teaching their children Algebra / Mathematics / Math can be tricky.
There are many pit-falls in helping children with their homework because many of the ways we were taught are out of date.
Try this simple free online lesson and watch as your child learns how to do Simple Division by following this step-by-step guide.

Math class 4 division-_ppt

The document discusses how to divide 4 jelly beans between 2 people. It explains key terms used in division such as dividend, divisor, and quotient. It then provides examples of dividing numbers by 1, 0, and themselves. The document outlines different methods for division, including repeated subtraction, using objects to demonstrate groups, and the horizontal and long division methods. It also provides examples of dividing multiples of 10, 100, and 1000 by those same numbers.

Adding Numbers with Regrouping

Adding numbers involves combining sets of objects or values to form a new total. It uses the plus sign to join two or more numbers together. When adding multi-digit numbers, you write the numbers in columns, add the ones place value first and then the tens, regrouping values of ten or more to the next column as needed, such as adding 47 + 38 by first adding 7 + 8 in the ones column and regrouping the ten value to the tens column to calculate the full sum.

Number bonds

Maths: Easy
This number bonds lessons covers number bonds of 10 and 20. With interactive questions and animation, pupils will be able to understand the lesson.

Comparing and Ordering Numbers

This document discusses comparing and ordering numbers. It explains how to compare numbers by lining them up based on place value and comparing the digits from left to right. Lower digits represent smaller values. It provides examples of comparing standard and word forms of numbers. The document also demonstrates how to order numbers from least to greatest or greatest to least by comparing place values from left to right and arranging the numbers in the appropriate order.

1. subtracting numbers without regrouping

This document contains instructions and examples for subtracting numbers without regrouping. It includes step-by-step explanations and examples of subtracting 3-digit and 4-digit numbers, identifying the minuend and subtrahend, and representing numbers using place value (thousands, hundreds, tens, ones). Practice problems are provided for students to subtract various 3-digit and 4-digit numbers.

Addition subtraction pd

Addition subtraction pd

4-6 Estimating Products

4-6 Estimating Products

Multiply by 10, 100, 1000, etc...

Multiply by 10, 100, 1000, etc...

Reading and writing_numbers

Reading and writing_numbers

Adding without Regrouping

Adding without Regrouping

Tables 2 to 10

Tables 2 to 10

Multiplication arrays ppt

Multiplication arrays ppt

Addition of Numbers

Addition of Numbers

Addition with Three Addends

Addition with Three Addends

Prime and Composite Numbers

Prime and Composite Numbers

multiplication tables

multiplication tables

Multiplication and Division Rules

Multiplication and Division Rules

Add and subtract

Add and subtract

Subtraction with regrouping

Subtraction with regrouping

Simple Division for Primary School

Simple Division for Primary School

Math class 4 division-_ppt

Math class 4 division-_ppt

Adding Numbers with Regrouping

Adding Numbers with Regrouping

Number bonds

Number bonds

Comparing and Ordering Numbers

Comparing and Ordering Numbers

1. subtracting numbers without regrouping

1. subtracting numbers without regrouping

Copilacion de refranes, calavera lírica, adivinanzas, copla y corridos

El documento presenta ejemplos de diferentes géneros literarios populares mexicanos como refranes, calaveras literarias, adivinanzas, coplas y corridos, realizados por estudiantes de la escuela José Sarto en Ciudad Obregón, Sonora. Incluye la definición de cada género y muestra breves ejemplos de cada uno.

Subtraction with zeros

The document provides instruction and examples for a lesson on subtraction. It begins with a review of subtraction examples and then provides word problems, step-by-step worked examples, and exercises for students to practice subtracting numbers with and without zeros. The document aims to teach students how to set up and solve subtraction problems through examples and practice questions.

100poemas mexicanos

Este documento es una antología de 100 poemas mexicanos sobre la Revolución Mexicana y otros temas rebeldes. Incluye poemas desde la época de Porfirio Díaz hasta finales del siglo XX, abarcando temas como la guerra de Independencia, la Revolución, la contracultura y el movimiento estudiantil de 1968. El objetivo es recopilar la poesía inconforme, visionaria y crítica de México para guiar a los lectores a través de la historia poética posterior a 1910 e imaginar un mejor futuro.

Addition presentation power point

Addition is the process of combining sets of items and counting the total. It is demonstrated with examples of having 2 apples and receiving 3 more for a total of 5 apples, and using 4 red apples and 2 yellow apples for a total of 6 apples needed for a pie. Addition finds the full amount when sets are joined together.

Addition Using A Number Line

This document describes how to use a number line to add whole numbers. It explains that a number line is useful for additions that require carrying to the next multiple of ten. It demonstrates adding 9+7 and shows working through the stages on a number line. It then discusses adding larger numbers like 39+47, showing that you can either add the tens first and then the units, or the units first and then the tens, working through the stages on a number line both ways.

Regrouping With Subtraction

1. The document provides examples of how to solve subtraction problems using regrouping or "borrowing" when the numbers in a column cannot be directly subtracted.
2. It explains that when subtraction is not possible in one column, you can "borrow" from the column to the left by decreasing its value by 1 and increasing the value of the column directly to its right by 10.
3. This process is demonstrated through step-by-step examples of subtracting multi-digit numbers like 745 - 527 and 621 - 345.

Subtracting with Regrouping.ppt

A fun math activity for dice. Roll the dice to see what number you are subtracting. Includes thorough explanation of regrouping. Worksheet also included.

Factors and Multiples

Factors are numbers that when multiplied together equal another number. The document provides examples of finding the factors of numbers like 8, 12, 17, and 30. It also has students find the factors of 16 and 24. Multiples are numbers obtained by multiplying a number by 1, 2, 3, and so on. Examples of multiples of 2, 3, and 10 are given. Students are assigned to write the factors of 28, 50, and 21 and the multiples of 5 and 9 on a quarter sheet of paper.

Sequences and series

The document provides information about different types of infinite sequences, including explicitly defined sequences, recursively defined sequences, arithmetic sequences, harmonic sequences, and geometric sequences. It gives examples and formulas for finding terms, sums, and analyzing properties of each type of sequence. Key points covered include the definitions of explicit and recursive sequences, the formulas for the nth term and partial sum of arithmetic and geometric sequences, and examples of finding terms and analyzing sequences.

4th grade multi.div word problems and fractions pd

This document provides information and resources for teaching fractions to 4th grade students. It discusses common core standards for fractions, learning targets, conceptual understanding students need, fraction word problems, using bar diagrams to solve problems, fraction representations including strips and number lines, defining fractions, strategies for comparing fractions, generating equivalent fractions, and multiplying fractions by whole numbers. Resources included are videos, websites, and book references to support fraction instruction.

Factors and Multiples

The document discusses factors and multiples, defining factors as whole numbers that can divide another number with the resulting quotient being a whole number, and multiples as the product of multiplying two counting numbers. It provides examples of identifying factors and multiples, such as the factors of 8 being 1, 2, 4, 8 and the first four multiples of 2 being 2, 4, 6, 8. The warm-up problem identifies the factors of 50 as 5 and 10 and its multiple as 50.

Bar Graphs

The document discusses using bar graphs to represent crime data from the town of Columbia over 5 years. It explains how bar graphs can be manipulated by changing the scale or starting point to either minimize or exaggerate differences in the data. Three example graphs are shown - a normal graph and one graph each that minimizes and exaggerates the differences. The chief of police is asked to choose a graph for a town council presentation and explain the choice.

Times Table

A slideshow I put together several years ago to help my son learn his times tables. Download to hear the Sound files.

Adding And Subtracting Whole Numbers

This document provides instructions for adding and subtracting whole numbers. It begins by outlining some key properties of addition, such as the associative, commutative, and zero properties. Examples are then given to demonstrate how to add and subtract whole numbers by lining up the numbers by place value and carrying or borrowing as needed. More practice problems are provided for additional examples of adding and subtracting whole numbers.

Basic Algebra (for beginners)

The document introduces basic algebraic expressions and simplifying terms. It explains that terms with the same variable are combined by adding the coefficients. Expressions should be written with variables in alphabetical order and numbers written without variables are simply added. Sample problems are provided to practice simplifying algebraic expressions and equations with variables representing unknown values.

Poema expropiación petrolera

El documento conmemora el 73 aniversario de la Expropiación Petrolera de México el 18 de marzo de 1938 cuando el presidente Lázaro Cárdenas decidió expropiar los yacimientos petroleros que habían sido entregados a compañías extranjeras por el presidente Porfirio Díaz y devolverlos a propiedad de la nación mexicana como estipula la constitución.

Addition and Subtraction ppt.

Addition is finding the total or sum of two numbers by combining them, while subtraction is taking one number away from another to find the difference between the numbers. Both addition and subtraction are basic math operations covered along with examples of adding balls and subtracting apples.

Basic math (addition)

This document provides an overview of basic addition concepts including:
1) It defines addition as bringing numbers together to make a new total and provides examples of adding objects and numbers.
2) It discusses counting from 1 to 10 and using a number line to demonstrate addition.
3) It provides multiple models and strategies for teaching addition including set models, measurement models, counting upwards from a number, and using a bunny on a number line.
4) It notes other names for addition, how to add numbers with more than one digit by carrying values to the next column, and rules for addition.

Grade 1 Addition and Subtraction

The document provides information about addition and subtraction. It defines key terms used in addition such as addends, sum, and total. It explains that addends are the numbers being added together and the sum is the result. It also defines key terms for subtraction including minuend, subtrahend, and difference. The minuend is the first number, the subtrahend is the number being subtracted, and the difference is the result. Examples of addition and subtraction problems are provided.

Telling time

This document provides instructions on how to tell time on both analogue and digital clocks. It explains that analogue clocks have numbers 1-12 around the face representing hours, and lines representing minutes. It teaches that the small hand points to the hours and big hand points to the minutes. The document breaks down telling time into hours, half hours, quarters of an hour. It also explains how to tell time using A.M. and P.M. on both analogue and digital clocks. An interactive game is provided to match analogue and digital clocks.

Copilacion de refranes, calavera lírica, adivinanzas, copla y corridos

Copilacion de refranes, calavera lírica, adivinanzas, copla y corridos

Subtraction with zeros

Subtraction with zeros

100poemas mexicanos

100poemas mexicanos

Addition presentation power point

Addition presentation power point

Addition Using A Number Line

Addition Using A Number Line

Regrouping With Subtraction

Regrouping With Subtraction

Subtracting with Regrouping.ppt

Subtracting with Regrouping.ppt

Factors and Multiples

Factors and Multiples

Sequences and series

Sequences and series

4th grade multi.div word problems and fractions pd

4th grade multi.div word problems and fractions pd

Factors and Multiples

Factors and Multiples

Bar Graphs

Bar Graphs

Times Table

Times Table

Adding And Subtracting Whole Numbers

Adding And Subtracting Whole Numbers

Basic Algebra (for beginners)

Basic Algebra (for beginners)

Poema expropiación petrolera

Poema expropiación petrolera

Addition and Subtraction ppt.

Addition and Subtraction ppt.

Basic math (addition)

Basic math (addition)

Grade 1 Addition and Subtraction

Grade 1 Addition and Subtraction

Telling time

Telling time

Counting Up To Subtract

This document describes how to use a counting up method for subtraction of whole numbers. It explains that counting up involves adding on from the smaller number to the larger number in stages. This can be recorded on a number line and then developed into a column method. Examples are provided for subtracting two-digit and three-digit numbers using this method. As confidence increases, fewer steps may be needed in the column method.

Subtraction Using Partitioning

This document describes the method of subtraction using partitioning. It explains that partitioning involves splitting the smaller number into place values like tens and ones and then subtracting place values one at a time, starting with the largest place value. It provides an example of subtracting 86 - 47 by first subtracting the tens (86 - 40) and then the ones. It also demonstrates how this method can be used for larger numbers by splitting the smaller number into hundreds, tens, and ones.

Tricks from vedic mathematics

This document discusses techniques from Vedic mathematics for quickly multiplying numbers mentally. It describes methods for multiplying by 11, 15, and single-digit numbers without using long multiplication. For two-digit numbers between 89-100, it shows how to subtract each number from 100 before multiplying the results and adding diagonally to find the full product. With practice, these methods allow for multiplying two-digit and some three-digit numbers mentally. Examples are provided to illustrate the techniques.

1.6 multiplication i w

The document explains multiplication and how it is represented by the multiplication sign. It defines multiplication as simplifying the notation for repeatedly adding the same quantity. For example, 3 x 2 represents 3 copies of 2, or 2 + 2 + 2, which equals 6. The document notes that multiplication is commutative, so the order of the factors does not matter. It introduces the terms factors, product, and the vertical format for multiplying larger numbers. It provides examples of multiplying multi-digit numbers and carrying values between steps. Key features of the multiplication table are also summarized.

Multiplywholenumber1

The document provides instructions for multiplying whole numbers with carrying. It explains that you multiply the numbers as if they were whole numbers, starting from the right. For the ones place, 9 x 4 is 36, with 6 written down and 3 carried above the next column. For the tens place, 9 x 8 is 72, and adding the 3 that was carried makes 75. The overall process is to multiply each digit and carry numbers to the next column as needed.

Subtraction Using an Expanded Method (part 3 of 5)

The document describes the process of subtraction with adjustment from the tens place value. It explains that when subtracting, if the units in the larger number are smaller than the units in the smaller number, an adjustment is made by taking a ten from the tens column and adding it to the units column. This allows the subtraction calculation to be performed correctly. It then shows how this expanded subtraction method can be simplified into the standard written subtraction method.

Computational skills

The document discusses different types of numbers and operations involving positive and negative numbers. It explains rules for addition, subtraction, multiplication, and division of positive and negative numbers. It also covers order of operations using PEMDAS and provides examples of solving expressions using proper order. Finally, it discusses properties and rules for exponents, including adding, subtracting, multiplying, and dividing terms with the same base and combining exponents.

1-Introduction-to-Maths.pdf

This math module covers basic arithmetic concepts such as rounding, order of operations, and mental computation strategies. It includes 1) an introduction to arithmetic focusing on integers, operations, and place value; 2) refreshing skills like addition, subtraction, multiplication, and division of whole numbers; and 3) working with decimals, rounding, and estimating. The document provides examples and practice problems to help explain and apply these fundamental math topics.

Teoria y problemas de numeros racionales qa84 ccesa007

The document is a mathematics lesson in Spanish on rational numbers. It defines rational numbers as fractions with integer numerators and non-zero denominators. It covers operations like addition, subtraction, multiplication and division of fractions, and converting between fractions, decimals, and mixed numbers. It also discusses ordering and comparing rational numbers and includes examples of worked problems.

Number

The document defines different types of numbers including natural numbers, integers, rational numbers, and real numbers. It then discusses factors and prime factors of numbers. Factors divide into a number evenly, while prime factors are factors that are also prime numbers. Examples are given of writing numbers as products of their prime factors by repeatedly dividing by prime numbers. The document also discusses how to write terminating and recurring decimals as fractions. Terminating decimals involve writing the digits after the decimal under a line and adding zeros, while recurring decimals use the recurring digits over 9, 99, etc or setting up equations to isolate the fraction.

Teoria y problemas de numeros racionales qa84 ccesa007

The document is a mathematics lesson in Spanish on rational numbers. It defines rational numbers as fractions with integer numerators and non-zero integer denominators. It discusses operations like addition, subtraction, multiplication and division of rational numbers. It also covers ordering and comparing rational numbers, as well as converting between fractions, decimals and mixed numbers. Several examples of problems involving rational numbers are worked out.

Multiple intelligence

The document provides information about mathematics vocabulary and concepts for Prathomsuksa 5 students. It defines key terms used in addition and subtraction, such as sum, difference, carry, minuend, and subtrahend. It also explains the properties of addition, including the commutative, identity, and associative properties. Finally, it demonstrates how to perform additions and subtractions with carrying or borrowing, and describes how understanding the rules of subtraction can help with fact mastery and choosing the correct operation.

304127466-Whole-Numbers_for class 6-ppt.ppt

whole number

Subtraction Using An Expanded Method (part 5 of 5)

The document describes how to subtract numbers with zeros using an expanded method before simplifying to a standard written method. It explains that when subtracting, adjustments are made by moving down place values from left to right - from hundreds to tens, tens to ones. This is demonstrated with examples of 700 - 286 and 803 - 236. The technique of making adjustments and subtracting place values from left to right allows for simplifying the process into a standard subtraction format.

32 multiplication and division of decimals

The document discusses how to multiply multi-digit numbers by treating it as multiple single-digit multiplication problems. It shows working through an example problem step-by-step, multiplying 47 x 685. Each digit is multiplied by the bottom number and the results are placed in columns with carrying as needed. The columns are then added to obtain the final answer. The process is similar for multiplying decimal numbers, ignoring the decimal points during the multiplication and then placing the decimal point in the correct position in the final product.

2nd grade mastery_assessments-small

The document provides materials and instructions for assessing 2nd grade math skills related to number sense. It includes checklists of skills students should be able to demonstrate such as skip counting, placing numbers on a number line, using objects to add and subtract within 1000, explaining addition and subtraction strategies, and quickly performing single-digit addition and subtraction. Sample problems, checklists, and solutions are provided. Teachers are instructed to have students explain their thinking and use manipulatives to show their work, rather than just getting the numerical answer.

Contéo de figuras

1. This document discusses different methods for counting line segments, triangles, squares, and quadrilaterals using formulas.
2. For line segments, the formula is n(n+1)/2, where n is the number of segments in a line. This is applied individually to each line and summed.
3. For triangles, the formula is n(n+1)/2 multiplied by the number of symmetrical bases. This is applied to each base and multiplied by the total number of bases.
4. For squares, the formula is n(n+1)/2(2n+1), where n is the number of squares in a line. This is applied individually to each line and summed

math 3 ppt , additional.pdf

The document provides steps for adding multi-digit numbers with regrouping. It explains that when adding numbers in columns, if the total in a column is 10 or more, you regroup by adding 1 to the column to the left and carrying the 1 to the next column. It then works through an example of adding 3,243 mathematics books and 4,659 science books. Finally, it provides additional practice problems for readers to try adding multiple multi-digit numbers themselves.

3.2 looping statement

The document discusses looping statements and examples of using while and for loops to repeatedly execute blocks of code. It provides examples of using loops to generate math quiz questions, guess random numbers, calculate sums, and find greatest common divisors. It also discusses using break and continue statements, nested loops, minimizing numerical errors, and Monte Carlo simulations.

32 multiplication and division of decimals

The document discusses how to multiply multi-digit decimal numbers. It explains that multiplication of multi-digit numbers is done by multiplying the digits in place value, starting from the ones place. The results are recorded and carried over as needed. It provides a step-by-step example of 47 x 6, showing how each digit is multiplied and the results carried to the next place value. It notes that the same process is followed for decimals, but the decimal point is placed in the final product so that the total number of decimal places is correct.

Counting Up To Subtract

Counting Up To Subtract

Subtraction Using Partitioning

Subtraction Using Partitioning

Tricks from vedic mathematics

Tricks from vedic mathematics

1.6 multiplication i w

1.6 multiplication i w

Multiplywholenumber1

Multiplywholenumber1

Subtraction Using an Expanded Method (part 3 of 5)

Subtraction Using an Expanded Method (part 3 of 5)

Computational skills

Computational skills

1-Introduction-to-Maths.pdf

1-Introduction-to-Maths.pdf

Teoria y problemas de numeros racionales qa84 ccesa007

Teoria y problemas de numeros racionales qa84 ccesa007

Number

Number

Teoria y problemas de numeros racionales qa84 ccesa007

Teoria y problemas de numeros racionales qa84 ccesa007

Multiple intelligence

Multiple intelligence

304127466-Whole-Numbers_for class 6-ppt.ppt

304127466-Whole-Numbers_for class 6-ppt.ppt

Subtraction Using An Expanded Method (part 5 of 5)

Subtraction Using An Expanded Method (part 5 of 5)

32 multiplication and division of decimals

32 multiplication and division of decimals

2nd grade mastery_assessments-small

2nd grade mastery_assessments-small

Contéo de figuras

Contéo de figuras

math 3 ppt , additional.pdf

math 3 ppt , additional.pdf

3.2 looping statement

3.2 looping statement

32 multiplication and division of decimals

32 multiplication and division of decimals

How To Do KS2 Maths SATs A Subtraction Questions (Part 2)

A guide to doing KS2 Maths SATs Paper A questions that involve subtracting two whole numbers. Followed by some examples for you to try by yuorself

How To Do KS2 Maths SATs A Subtraction Questions

The document provides examples of one-step subtraction word problems that may be seen on KS2 maths SATs tests. It explains that these types of problems can be solved in one of two ways: 1) by counting on from the smaller number to the larger number, or 2) by subtracting the smaller number from the larger number. It provides examples like Barry having 65 chocolates and giving 19 to friends, so how many are left? (65 - 19 = 46). It also gives examples involving prices to find the difference.

How To Do KS2 Maths A SATs Addition Questions (Part 1)

How to add two decimal numbers together when one of the numbers has a different amount of digits behind the decimal point from the other. There are then some examples for you to try by yourself

How To Do KS2 Mental Maths Paper SATs Negative Number Questions

A guide to doing mental maths questions involving negative numbers that you might find in a KS2 Mental Maths Paper. It includes some practice questions

How To Do KS2 Maths A SATs Negative Number Questions

A guide to doing KS2 Maths SATs type questions that involve negative numbers - including some practice questions

Multiplying 3 Digit Numbers by 1 Digit Numbers Using The Grid Method

The document describes the grid method for multiplying a 3-digit number by a 1-digit number. It explains that the 3-digit number is split into hundreds, tens, and ones and placed in the top of a grid. The 1-digit number is placed on the side of the grid. Each place value of the 3-digit number is then multiplied by the 1-digit number and those products are written in the grid. The totals are then added to find the final product.

How To Do KS2 Maths B SATs Money Questions (Part 1)

The document provides guidance on solving math word problems involving both pence and fractions of pounds that may appear on KS2 SAT exams. It gives an example of converting amounts to the same currency before calculating. For the first problem, the student converts £3 to 300p and divides it by the 60p cost of a table tennis ball to find they can buy 5 balls. For the second problem, the student converts the £1.75 golf ball cost to 175p, multiplies the 95p tennis ball cost by 3 balls, adds the amounts and finds the total cost is £4.60.

How To Do KS2 Maths SATs Paper B Fractions Questions (Part 2)

This document provides instructions for KS2 maths SATs questions involving simplifying fractions and determining which diagrams have a given fraction shaded. It explains that students will be asked to look at grids with some areas shaded and identify which diagrams have exactly 1/2, 1/4, or 1/3 of the total area shaded. The document walks through examples of counting total areas, simplifying fractions if possible, and marking diagrams as correct or incorrect. It includes practice problems for students to work through.

How To Do KS2 Maths SATs Paper B Fractions Questions (Part 3)

The document provides instructions for solving fraction word problems on SATs exams. It explains that students may be asked to calculate a fraction of an amount. It demonstrates the process of dividing the total amount by the denominator of the fraction to find the value of one unit, then multiplying that result by the numerator to get the final answer. Several examples are shown step-by-step, and students are provided a practice problem set to test their skills in solving these types of fraction word problems.

How To Do KS2 Maths SATs Paper B Fractions Questions (Part 1)

The document provides instructions for calculating fractions of grids that are shaded in KS2 maths SATs questions. It explains that you first count the total number of tiles in the grid, which becomes the denominator. Then you count the number of tiles shaded in the given color, which becomes the numerator. You write the fraction with the numerator over the denominator. It provides examples of grids with tiles shaded blue or green and calculating the fractions shaded. It concludes with practice problems for the reader to solve.

How To Do KS2 Maths SATs Paper B Percentage Questions (Part 2)

This document provides instructions for calculating percentages from grids for KS2 maths SATs questions. It explains that you count the number of shaded or colored tiles, express it as a fraction of the total tiles, and convert that fraction to a percentage by changing the denominator to 100. Two examples are shown step-by-step: calculating that 6 out of 20 tiles shaded is 30% and 14 out of 50 tiles green is 28%. The document ends by providing three practice problems for the reader to solve.

How To Do KS2 Maths SATs Paper B Percentage Questions (Part 1)

The document provides instructions for solving percentage problems involving shading portions of grids for KS2 math SATs exams. Students are asked to shade in a given percentage of squares in a grid by first counting the total number of squares and then calculating the percentage of that total to determine how many squares to shade. Examples are provided for shading 20%, 25%, and other percentages of grids with step-by-step workings shown. Practice problems are then given for students to try on their own.

How To Do KS2 Maths SATs Paper A Percentage Questions (Part 1)

This document provides guidance on calculating percentages for KS2 maths SATs exams. It explains that percentages questions will ask the reader to calculate a percentage of an amount. It then walks through examples of calculating 5%, 10%, 15% and other percentages of various amounts, including money amounts. The document emphasizes calculating the 10% first before calculating smaller percentages that are portions of 10%, like 5%. It concludes by providing some practice problems for the reader to try calculating percentages on their own.

How To Do KS2 Maths SATs Paper A Multiplication Questions (Part 2)

The document provides examples and guidance for solving single-step word problems using multiplication on a KS2 Maths SAT Paper A. It explains that these types of questions will ask the reader to find the total or amount by multiplying two given numbers. Several example word problems are shown step-by-step, such as finding the total number of eggs if each box holds 6 eggs and there are 26 boxes. The document concludes by providing additional multiplication practice problems for the reader to try.

How To Do KS2 Maths SATs Paper A Multiplication Questions (Part 1)

The document provides guidance on multiplication questions that may be asked in KS2 Maths SAT Paper A exams. It explains that students may be asked to calculate multiplication sums, and provides examples such as 635 x 6 or 603 x 57. It then provides a series of practice multiplication calculations for students to work through.

How To Do KS2 Maths SATs Paper A Division Questions (Part 2)

The document provides examples of how to solve division problems step-by-step that students may encounter on KS2 maths SAT exams. It shows working through divisions like 51 divided by 3, 371 divided by 7, and 864 divided by 16. It then provides a series of division problems for students to calculate on their own and check their answers. The goal is to demonstrate the process of long division through worked examples and practice questions.

How To Do KS2 Maths SATs Paper A Division Questions (Part 1)

This document provides guidance on solving missing number problems using division for KS2 Maths SATs exams. It explains that students may be asked to find a missing number in an equation by dividing the number on the right side of the equation by the number on the left side. Several examples are worked through, such as 12 x 121 = 1452 and 4 x 60 = 240, demonstrating that the missing number is found by dividing the right side number by the left side number. Students are then given practice problems to solve for the missing numbers.

Adding Decimals

The column method is used to add decimal numbers. First, the numbers are lined up with the decimal points aligned. Then each column is added separately, carrying numbers to the next column as needed. For the example of adding 3.77 and 4.28, the hundreds column is added first (7 + 8 = 15, writing the 5 and carrying the 1). Then the tens column is added (7 + 2 + 1 = 10, writing 0 and carrying 1). Finally, the ones column is added (3 + 4 + 1 = 8). The total is 8.05 + 1 = 8.08.

Multiplying Decimals (3 Digit by 1 Digit)

The document provides step-by-step instructions for multiplying a decimal number by a whole number. It uses the example of 3.97 x 6 to demonstrate how to set up the multiplication with decimal points aligned, then multiply each column working from right to left and carrying numbers to the next column. The final answer is 23.82. The document encourages visiting an external website for more math help and games, and purchasing a book on Amazon for help with multiplication tables.

Short Division Of Decimals

This document provides step-by-step instructions for dividing a 3-digit decimal number by a 1-digit number using short division. It uses the example of 93.8 divided by 7. It explains that you first write the larger number inside the division bar and the smaller number outside, with a decimal point above. Then you work from left to right, dividing each place value and bringing down remainders, until you get the final quotient of 13.4. It directs the reader to a website for more math help and games on this topic.

How To Do KS2 Maths SATs A Subtraction Questions (Part 2)

How To Do KS2 Maths SATs A Subtraction Questions (Part 2)

How To Do KS2 Maths SATs A Subtraction Questions

How To Do KS2 Maths SATs A Subtraction Questions

How To Do KS2 Maths A SATs Addition Questions (Part 1)

How To Do KS2 Maths A SATs Addition Questions (Part 1)

How To Do KS2 Mental Maths Paper SATs Negative Number Questions

How To Do KS2 Mental Maths Paper SATs Negative Number Questions

How To Do KS2 Maths A SATs Negative Number Questions

How To Do KS2 Maths A SATs Negative Number Questions

Multiplying 3 Digit Numbers by 1 Digit Numbers Using The Grid Method

Multiplying 3 Digit Numbers by 1 Digit Numbers Using The Grid Method

How To Do KS2 Maths B SATs Money Questions (Part 1)

How To Do KS2 Maths B SATs Money Questions (Part 1)

How To Do KS2 Maths SATs Paper B Fractions Questions (Part 2)

How To Do KS2 Maths SATs Paper B Fractions Questions (Part 2)

How To Do KS2 Maths SATs Paper B Fractions Questions (Part 3)

How To Do KS2 Maths SATs Paper B Fractions Questions (Part 3)

How To Do KS2 Maths SATs Paper B Fractions Questions (Part 1)

How To Do KS2 Maths SATs Paper B Fractions Questions (Part 1)

How To Do KS2 Maths SATs Paper B Percentage Questions (Part 2)

How To Do KS2 Maths SATs Paper B Percentage Questions (Part 2)

How To Do KS2 Maths SATs Paper B Percentage Questions (Part 1)

How To Do KS2 Maths SATs Paper B Percentage Questions (Part 1)

How To Do KS2 Maths SATs Paper A Percentage Questions (Part 1)

How To Do KS2 Maths SATs Paper A Percentage Questions (Part 1)

How To Do KS2 Maths SATs Paper A Multiplication Questions (Part 2)

How To Do KS2 Maths SATs Paper A Multiplication Questions (Part 2)

How To Do KS2 Maths SATs Paper A Multiplication Questions (Part 1)

How To Do KS2 Maths SATs Paper A Multiplication Questions (Part 1)

How To Do KS2 Maths SATs Paper A Division Questions (Part 2)

How To Do KS2 Maths SATs Paper A Division Questions (Part 2)

How To Do KS2 Maths SATs Paper A Division Questions (Part 1)

How To Do KS2 Maths SATs Paper A Division Questions (Part 1)

Adding Decimals

Adding Decimals

Multiplying Decimals (3 Digit by 1 Digit)

Multiplying Decimals (3 Digit by 1 Digit)

Short Division Of Decimals

Short Division Of Decimals

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- 1. Subtraction Of Whole Numbers Using A Number Line (the 1st step towards using a standard written method for subtraction) For more maths help & free games related to this, visit: www.makemymathsbetter.com
- 2. A number line can be used to record the stages of a subtraction question in 2 different ways. You can either use it to “count back” or use it to “count on”. For example: 16 - 7 = 9
- 3. A number line can be used to record the stages of a subtraction question in 2 different ways. You can either use it to “count back” or use it to “count on”. For example: 16 - 7 = 9 To “Count Back” you need to subtract from the larger number to the smaller number in stages:
- 4. A number line can be used to record the stages of a subtraction question in 2 different ways. You can either use it to “count back” or use it to “count on”. For example: 16 - 7 = 9 To “Count Back” you need to subtract from the larger number to the smaller number in stages: -6 10 16
- 5. A number line can be used to record the stages of a subtraction question in 2 different ways. You can either use it to “count back” or use it to “count on”. For example: 16 - 7 = 9 To “Count Back” you need to subtract from the larger number to the smaller number in stages: -1 9 -6 10 16
- 6. A number line can be used to record the stages of a subtraction question in 2 different ways. You can either use it to “count back” or use it to “count on”. For example: 16 - 7 = 9 To “Count Back” you need to subtract from the larger number to the smaller number in stages: To “Count On” you need to add on from the smaller number to the larger number in stages: -1 9 -6 10 16
- 7. A number line can be used to record the stages of a subtraction question in 2 different ways. You can either use it to “count back” or use it to “count on”. For example: 16 - 7 = 9 To “Count Back” you need to subtract from the larger number to the smaller number in stages: To “Count On” you need to add on from the smaller number to the larger number in stages: -1 9 -6 10 +3 7 10 16
- 8. A number line can be used to record the stages of a subtraction question in 2 different ways. You can either use it to “count back” or use it to “count on”. For example: 16 - 7 = 9 To “Count Back” you need to subtract from the larger number to the smaller number in stages: To “Count On” you need to add on from the smaller number to the larger number in stages: -1 9 -6 +3 7 16 10 +6 10 16
- 9. When working with bigger numbers, you can either work with the tens first, followed by the units or work with the units first, followed by the tens .For example: 86 - 47 = 39
- 10. When working with bigger numbers, you can either work with the tens first, followed by the units or work with the units first, followed by the tens .For example: 86 - 47 = 39 “Counting Back” subtracting the units first, followed by the tens: -6 80 86
- 11. When working with bigger numbers, you can either work with the tens first, followed by the units or work with the units first, followed by the tens .For example: 86 - 47 = 39 “Counting Back” subtracting the units first, followed by the tens: -1 79 80 -6 86
- 12. When working with bigger numbers, you can either work with the tens first, followed by the units or work with the units first, followed by the tens .For example: 86 - 47 = 39 “Counting Back” subtracting the units first, followed by the tens: - 40 39 -1 79 80 -6 86
- 13. When working with bigger numbers, you can either work with the tens first, followed by the units or work with the units first, followed by the tens .For example: 86 - 47 = 39 “Counting Back” subtracting the units first, followed by the tens: “Counting Back” subtracting the tens first, followed by the units: - 40 39 -1 79 80 -6 86 - 40 46 86
- 14. When working with bigger numbers, you can either work with the tens first, followed by the units or work with the units first, followed by the tens .For example: 86 - 47 = 39 “Counting Back” subtracting the units first, followed by the tens: “Counting Back” subtracting the tens first, followed by the units: - 40 39 -1 79 80 -6 40 -6 86 - 40 46 86
- 15. When working with bigger numbers, you can either work with the tens first, followed by the units or work with the units first, followed by the tens .For example: 86 - 47 = 39 “Counting Back” subtracting the units first, followed by the tens: “Counting Back” subtracting the tens first, followed by the units: - 40 39 -1 39 40 -1 79 80 -6 -6 86 - 40 46 86
- 16. When working with bigger numbers, you can either work with the tens first, followed by the units or work with the units first, followed by the tens .For example: 86 - 47 = 39 “Counting On” adding on the units first, followed by the tens: +3 47 50
- 17. When working with bigger numbers, you can either work with the tens first, followed by the units or work with the units first, followed by the tens .For example: 86 - 47 = 39 “Counting On” adding on the units first, followed by the tens: +3 47 50 +6 56
- 18. When working with bigger numbers, you can either work with the tens first, followed by the units or work with the units first, followed by the tens .For example: 86 - 47 = 39 “Counting On” adding on the units first, followed by the tens: +3 47 50 + 30 +6 56 86
- 19. When working with bigger numbers, you can either work with the tens first, followed by the units or work with the units first, followed by the tens .For example: 86 - 47 = 39 “Counting On” adding on the units first, followed by the tens: “Counting On” adding on the tens first, followed by the units: +3 47 50 + 30 +6 86 56 + 30 47 77
- 20. When working with bigger numbers, you can either work with the tens first, followed by the units or work with the units first, followed by the tens .For example: 86 - 47 = 39 “Counting On” adding on the units first, followed by the tens: “Counting On” adding on the tens first, followed by the units: +3 47 50 + 30 +6 + 30 47 86 56 +3 77 80
- 21. When working with bigger numbers, you can either work with the tens first, followed by the units or work with the units first, followed by the tens .For example: 86 - 47 = 39 “Counting On” adding on the units first, followed by the tens: “Counting On” adding on the tens first, followed by the units: +3 47 50 + 30 +6 + 30 47 86 56 +3 77 80 +6 86
- 22. That’s it for now...... For more help with your maths, try my book: mastering multiplication tables on amazon.com