018 lesson 9
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The document provides examples of word problems involving subtraction to demonstrate the problem solving process. It gives two examples of subtraction word problems, showing the steps of identifying what is asked, what is given, and which operation to use. It then provides a worksheet with additional subtraction word problems for students to solve.
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![Lesson 9<br />PROBLEM SOLVING INVOLVING SUBTRACTION<br />Objectives<br />After this lesson, the students are expected to:<br />,[object Object]](https://image.slidesharecdn.com/018-lesson9-100627023745-phpapp02/85/018-lesson-9-1-320.jpg)
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041 about the authors
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034 lesson 22
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033 lesson 21
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032 lesson 20
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031 chapter v
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030 unit ii
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028 lesson 18
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026 lesson 16
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025 chapter iv
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024 lesson 15
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022 lesson 13
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021 lesson 12
Lesson 12 aims to teach students how to multiply whole numbers quickly and correctly. It introduces multiplication as a shortcut for repeated addition and shows students how to use a multiplication table to solve problems efficiently. Students are given examples and a worksheet to practice their multiplication skills. The objectives are for students to multiply whole numbers easily, develop speed in multiplication, and perform multiplication accurately.
021 lesson 11
The document discusses various properties of multiplication, including:
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020 lesson 10
The document defines multiplication as repeated addition. It provides an example of 3 x 5 being solved by adding 5 three times to get 15. The document identifies the terms in a multiplication problem, with the number on top called the multiplicand and on bottom called the multiplier, and the answer called the product. It includes a worksheet for students to identify terms in multiplication problems and calculate products.
019 chapter iii
This chapter teaches students about multiplication, including its parts, methods for solving multiplication problems, and how to apply multiplication to word problems. Lessons and exercises are provided to help students master multiplying whole numbers.
016 lesson 7
This document defines subtraction and identifies its key parts and how it differs from addition. Subtraction is defined as the process of taking away or removing something. It identifies the minuend, subtrahend, and difference as the key parts of a subtraction expression. It provides examples of subtraction expressions and how regrouping or "borrowing" is used when the subtrahend digit is larger than the corresponding minuend digit. Worksheets are also included for students to practice identifying subtraction terms and solving subtraction problems.
015 chapter ii
Subtraction is a fundamental mathematical operation that is used to find the difference between two numbers. It involves identifying the minuend, subtrahend, and difference. Word problems can also be solved using subtraction to determine unknown values.
014 lesson 6
The document provides examples and instructions for solving word problems involving addition of whole numbers. It gives two examples of adding whole numbers: 875 + 648 = 1,523 and 5,986 + 3,759 = 9,745. It then provides a worksheet with 5 word problems for students to solve involving addition of whole numbers.
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032 lesson 20
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The document provides instructions on dividing whole numbers using the method of cancelling insignificant zeros. It defines cancelling insignificant zeros as removing the same number of trailing zeros from both the dividend and divisor when performing long division. The document includes examples of cancelling zeros when dividing numbers such as 300/100, 2500/100, and 38175/638175. It then provides a 20 question worksheet for students to practice dividing numbers using this method.
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The document discusses different methods for dividing whole numbers, including division with remainders where the answer is not a whole number. It provides examples and steps to show how to calculate division problems and expresses the answer as a quotient with a remainder. Mental division strategies are also described, emphasizing knowing multiplication tables and the order of operations.
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This document defines division and its key components. It discusses division as the inverse of multiplication, with division being described as repeated subtraction and multiplication as repeated addition. Examples are provided to illustrate division with a dividend, divisor, and quotient. Special cases of division by 1 and 0 are also explained. Division by 0 is said to be impossible.
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Division is one of the fundamental mathematical operations that is explained in this chapter. It will cover the different parts of division and how it can be used to solve word problems. Mastering division is an important part of learning mathematics.
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The document provides examples of word problems involving multiplication to calculate quantities over time or between groups. It gives step-by-step work for problems such as calculating the number of screws a machine can produce in an hour given its 1-minute rate, or the number of radios a store has if it bought a certain number of crates each containing a set quantity. The document includes practice problems for students to solve using multiplication, such as calculating total seats in a stadium based on the number of sections and rows.
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This lesson introduces the "99 multiplier" shortcut for multiplying whole numbers mentally. It works by annexing zeros to the multiplicand equal to the number of 9s in the multiplier, then subtracting the original multiplicand. Examples show 999×364 equals 364,000 minus 364, which is 369,636. The lesson aims to help students appreciate exploring multiplication and the multiplication operation.
023 lesson 14
This lesson teaches students about multiplying numbers with factors that are powers of ten. It explains that when multiplying numbers where one factor is a power of ten, such as 10, 100, 1000, students should multiply the non-zero digits and add the appropriate number of zeros to the product based on the power of ten. Some examples are provided. It also notes that when both factors end in zeros, students should multiply the significant digits and use the total number of zeros in both factors for the product. A worksheet with practice problems is included for students.
021 lesson 12
Lesson 12 aims to teach students how to multiply whole numbers quickly and correctly. It introduces multiplication as a shortcut for repeated addition and shows students how to use a multiplication table to solve problems efficiently. Students are given examples and a worksheet to practice their multiplication skills. The objectives are for students to multiply whole numbers easily, develop speed in multiplication, and perform multiplication accurately.
021 lesson 11
The document discusses various properties of multiplication, including:
1) The identity property where multiplying any number by 1 leaves the number unchanged.
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It provides examples to illustrate each property and a worksheet for students to practice applying the properties.
020 lesson 10
The document defines multiplication as repeated addition. It provides an example of 3 x 5 being solved by adding 5 three times to get 15. The document identifies the terms in a multiplication problem, with the number on top called the multiplicand and on bottom called the multiplier, and the answer called the product. It includes a worksheet for students to identify terms in multiplication problems and calculate products.
019 chapter iii
This chapter teaches students about multiplication, including its parts, methods for solving multiplication problems, and how to apply multiplication to word problems. Lessons and exercises are provided to help students master multiplying whole numbers.
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This document defines subtraction and identifies its key parts and how it differs from addition. Subtraction is defined as the process of taking away or removing something. It identifies the minuend, subtrahend, and difference as the key parts of a subtraction expression. It provides examples of subtraction expressions and how regrouping or "borrowing" is used when the subtrahend digit is larger than the corresponding minuend digit. Worksheets are also included for students to practice identifying subtraction terms and solving subtraction problems.
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018 lesson 9
- 2. discuss the different steps in problem solving;