Orderingand comparing
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This document provides instructions on how to compare and order numbers using symbols like >, <, and =. It explains that numbers should be lined up based on their place value and compared digit by digit from left to right. It also shows how to represent comparisons using dots or symbols. Examples are provided of writing comparison symbols and ordering numbers from greatest to least or least to greatest.
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Ordering numbers powerpoint
The document teaches how to put numbers in ascending and descending order. It provides examples of ordering small numbers and has interactive exercises for ordering larger numbers by asking the reader to identify the next number in the proper sequence. The reader works through examples of correctly ordering sets of numbers from smallest to largest.
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This document provides instructions for comparing and ordering fractions using different methods:
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- Finding the least common denominator (LCD) to order fractions from least to greatest, which involves expressing the fractions with the same denominator and then comparing their numerators
- Using the LCD method involves finding the lowest common multiple of the denominators as the LCD, writing the fractions with this equivalent denominator, and then ordering the fractions by comparing their numerators from greatest to least
Subtracting fractions and mixed numbers from a whole
To subtract fractions and mixed numbers from a whole number:
1. Rename the whole number as a mixed number with the same denominator as the fraction or mixed number.
2. Subtract the fractions by subtracting the numerators and keeping the same denominator.
3. Subtract the whole numbers.
4. Reduce the final fraction to its lowest terms, if possible.
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Subtraction means taking one number away from another. The subtraction equation includes the minuend, subtrahend, and difference. To solve a subtraction problem, start by subtracting the ones digits and borrowing from the next place value if needed. Word problems involving subtraction use terms like difference, fewer, decreased by, and left. Examples show how to set up and solve subtraction equations and word problems using the ESA method of stating the equation, setting it up, and finding the answer.
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The document teaches how to put numbers in ascending and descending order. It provides examples of ordering small numbers and has interactive exercises for ordering larger numbers by asking the reader to identify the next number in the proper sequence. The reader works through examples of correctly ordering sets of numbers from smallest to largest.
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This document provides instructions for comparing and ordering fractions using different methods:
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To subtract fractions and mixed numbers from a whole number:
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2. Subtract the fractions by subtracting the numerators and keeping the same denominator.
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The document provides instructions and examples for comparing, ordering, and rounding whole numbers. It explains how to compare numbers by looking at the place values from left to right. It demonstrates ordering numbers from least to greatest and greatest to least. It also teaches how to round numbers to the nearest hundred or thousand based on whether the digit to the right is less than, equal to, or greater than 5.
Calculations, Rounding, Estimation, Limits of accuracy, Ratio and rate
1) This document discusses various mathematical concepts including order of calculations, rounding numbers, estimation, limits of accuracy, ratio, and rate.
2) For calculations, it emphasizes following the proper order of BIDMAS - brackets, indices, division, multiplication, addition, subtraction.
3) For rounding, it explains the difference between rounding to decimal places versus significant figures and provides examples of each.
4) Estimation is finding approximate answers rather than exact ones. Rounding is a type of estimation. Limits of accuracy refer to upper and lower bounds for values.
Compare numbers to 1000
Compare Numbers to 1000
To compare two 3-digit numbers using symbols <, >, and =.
is less than is equal to is more than
Motivation
Decimals are commonly used in measurements and commerce. They allow numbers to be represented on the number line through repeated subdivision into tenths. A decimal number locates a point on the number line through the place value of its digits. Decimals extend the place value concept for whole numbers to include tenths, hundredths, thousandths, and so on. While widely used today, decimals were not commonly adopted until the early 17th century. Decimals can represent both rational and some irrational numbers and are useful for approximations and measurements recorded to a given accuracy.
PPT_Q1W1_MATH 4.pptx
The document discusses numbers and place value in the Philippines. It notes that there are 42,045 barangays total in the Philippines. It then explains how to represent large numbers using number blocks for rods, cubes, flats, and blocks. An example shows breaking down 42,045 into its place value components. The document also covers place value, standard versus expanded notation for numbers, rounding numbers to the nearest ten thousand, and provides examples of all concepts.
AptitudeTestBook www.mechengg.net.pdf
1. The document discusses various mathematical concepts related to number systems, divisibility tests, LCM, HCF, indices, and surds.
2. It provides definitions and examples of LCM, HCF, and properties related to indices.
3. Various problems and their step-by-step solutions related to number systems, divisibility tests, LCM, HCF, indices, and surds are presented.
playing with numbers class 8
The document discusses various methods for writing numbers in general form, including representing two-digit and three-digit numbers as sums of place values. It also presents several number puzzles and tricks, such as writing letters instead of digits in arithmetic expressions, tests for divisibility, memorizing pi, and multiplying large numbers mentally.
numbers.pdf
This document provides an overview of key concepts in mathematics related to numbers. It discusses natural numbers and their representation using symbols like 1, 2, 3. It also describes ordering numbers on a number line and the use of greater than and less than symbols to compare numbers. Negative numbers are introduced as numbers with a minus sign. The document outlines various methods for comparing positive and negative numbers. It also discusses concepts like place value, ascending and descending order, estimating sums and products, and the rules for writing numbers in Roman numerals.
Skills_Level 2 Functional Slkills Maths.
The document provides a summary of a maths curriculum revision session covering key number skills. The session covered: [1] reading, writing, ordering and comparing large numbers; [2] using positive and negative numbers; [3] rounding numbers to various decimal places; [4] using approximation and estimation; and [5] multiplication and division facts. The session provided examples and practice questions to reinforce these skills and prepare learners for functional maths exams.
Math journal wk 4
This document contains a student's math journal entries for the week. It includes warm-up exercises on place value, rounding, comparing, and ordering decimals. It also has facts practice sections for addition, subtraction, multiplication and division. The focus skill for the week is rounding, ordering, and solving problems using decimals to the thousandths place. Examples are provided to review rounding decimals, comparing decimals, ordering decimals from least to greatest and greatest to least, and adding and subtracting decimals by lining up the decimal points.
Rational numers ppt
Rational numbers are numbers that can be expressed as fractions p/q, where q ≠ 0. Rational numbers have several key properties:
Addition, subtraction, and multiplication of rational numbers is closed, meaning the result is also a rational number. Division of rational numbers is not closed as the result can sometimes be an irrational number. The additive and multiplicative identities for rational numbers are 0 and 1 respectively. Rational numbers also follow properties like commutativity, associativity, and distributivity, except for subtraction and division which are not commutative.
Rational numbers Class 8 chapter 1
Based on Maths chapter 1 of class 8 it consists of every topic and a good explanation. Please read the full ppt. It will also teach you how to design a ppt also. so reading these is a good way of gaining knowledge. It consists of every topic in the book and can be used a a teaching purpose also.
Rational numbers class 8
Tis is based on mathematics chapter 1 covering all properties you can revise anything from it it is very knowledgeable. It also covers some class 7 topics too. All your topics will be cleared from it.
Math 4-5 roundingoff.pptx
The document discusses rounding whole numbers to different place values. It provides examples of rounding numbers to the tens place, hundreds place, thousands place, and larger place values. The key steps for rounding a whole number are to 1) determine the digit to the right of the place being rounded to, 2) if the digit is 5 or greater, round up by adding 1 to that place value digit, and 3) change all digits to the right of the rounded place value to zero.
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Mathematics for 6th Grade: Numbers and Number Sense
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The document discusses the benefits of exercise for mental health. Regular physical activity can help reduce anxiety and depression and improve mood and cognitive function. Exercise causes chemical changes in the brain that may help protect against mental illness and improve symptoms for those who already suffer from conditions like depression and anxiety.
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This document outlines various text features used in both fiction and non-fiction works. It discusses features such as characters, setting, and plot for narratives, as well as tables of contents, indexes, photographs, captions, labels, cutaways, close-ups, comparisons, charts, maps, print styles, glossaries, and standards. Each text feature is defined and an example is provided to illustrate how it helps the reader understand or engage with the text.
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Here are some examples of text features from an article and how they help understanding:
Table of Contents: The table of contents lists the major chapter headings and page numbers. This allows me to quickly navigate to the sections I want to read.
Headings: The headings break the article into sections and tell me what each part is about at a glance. This helps me understand how the information is organized.
Photographs: Photographs of historical figures bring them to life and help me visualize what is being described in the text.
Captions: The caption under a photo identifies the people pictured and tells details not mentioned in the text. This adds context and depth to my understanding.
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Compare and order numbers
The document is a math worksheet for comparing and ordering numbers. It contains 3 sections - the first asks students to compare numbers using symbols like > and <, the second has them arrange numbers from greatest to least and least to greatest, and the third involves plotting numbers on a number line. The answer key is also provided to check their work.
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The document contains 10 lines with the phrase "Make the BIGGEST number" followed by the letters "H T U" and a 4-digit number. The numbers range from 1743 to 9327 with the highest number being 9327.
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This document provides an overview of key elements of a story, including setting, characters, plot, and conflict. It defines these terms and gives examples. Setting is described as the time and place the story occurs. Characters are the people, animals, or creatures in the story. Plot refers to the series of events that make up the narrative. Conflict is defined as the problem or struggle between two opposing forces in the story. The document uses examples and exercises to illustrate how authors employ these elements in crafting stories.
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Orderingand comparing
- 2. Vocabulary Greater than (>) – a symbol used to show numbers greater than another Less than (<) – a symbol used to show numbers less than another Equals (=) a symbol used to show numbers having the same value
- 3. How to compare numbers Line up the numbers Compare at highest place value If numbers are the same go to next digit to the right 12,391 8,971 13,762 12,391 8,971 13,762 12,391 8,971 13,762 1 2 3
- 4. To remember which way to place the comparison symbol, place two dots next to the number of greatest value and one dot next to the number of least value. Then connect the dots. 3,931 4,931
- 5. What if the two numbers are equal? It’s easy to remember what to do. Place two dots next to each number. Then connect the dots. 5,034 5,034
- 6. Write < > or = 5,931 > 4,931
- 7. Write < > or = 8,359 > 4,931
- 8. Write < > or = 959 < 4,931
- 9. Write < > or = 7,000 > 6,900
- 10. Write < > or = 4,789 = 4,789
- 11. Write < > or = Five thousand < 500
- 12. Write < > or = 3 hundreds 6 tens > 306
- 13. Write < > or = 1,000+700+3 < 1,730
- 14. If you know how to compare numbers, you know how to put them in order Put these numbers in order from greatest to least 1,730 14 569 9,271 2 4 3 1
- 15. Put these numbers in order from greatest to least 5,872 6,872 569 9 2 1 3 4
- 16. Put these numbers in order from least to greatest 5,872 5,832 5,991 9130 2 4 1