"Finding the Greatest Common Factor" PPT teaching courseware on the meaning of fractions

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"Finding the Greatest Common Factor" PPT teaching courseware on the meaning of fractions

Part One: Exciting Introduction

Question: Find all the factors of 12 and 18.

If the product of two natural numbers is equal to a certain number, then these two numbers are the factors of this number.

12＝（　）×（　）

=（　）×（　）

=（　）×（　）

18＝（　）×（　）

=（　）×（　）

=（　）×（　）

Find the greatest common factor PPT, part 2: knowledge explanation

Is there any other way you can find the factors of 12 and 18?

12÷1=12, then 1 and 12 are the factors of 12...

18÷1=18, then 1 and 18 are the factors of 18...

Question: How many factors do 12 and 18 have in common?

I just want to see which of the factors of 12 are factors of 18.

Is there any other way you can find the same factors of 12 and 18?

Factors of 12: 1, 2, 3, 4, 6, 12

Factors of 18: 1, 2, 3, 6, 9, 18

The factors that equal 12 and 18 are their common factors, and the largest one is their greatest common factor.

Find the greatest common factor PPT, the third part: practice and consolidation

1. Find all the factors and the greatest common divisor of 9 and 15, and share with your peers how you found them.

The factors of 9 are___________;

The factors of 15 are _____________;

The greatest common factor of 9 and 15 is _____________.

2. Fill it out and communicate with your peers.

3. Find the greatest common factor of each set of numbers below.

4. Write the greatest common factor of the numerator and denominator of the following fractions.

Find the greatest common factor PPT, part 4 content: knowledge summary

Using the enumeration method to find the common factors and the greatest common factor of two numbers is to first list the multiplication or division equations to find the factors of the two numbers, and then find their common factors and the greatest common factor.

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"Finding the Greatest Common Factor" PPT courseware download on the meaning of fractions:

"Finding the Greatest Common Factor" The Meaning of Fractions PPT Courseware Download Part One: Review of Old Knowledge 1. True or False Questions. (1) Because 85=1.6, 8 can be divided by 5. The dividend, divisor, and quotient must all be integers. There can be no remainder. (2) Because 357=5..

"Finding the Greatest Common Factor" PPT download of the meaning of fractions:

"Finding the Greatest Common Factor" PPT Download of the Meaning of Fractions Part One: Learning Objectives 1. Explore the method of finding the common factors of two numbers, and be able to use the enumeration method to find the common factors and the greatest common factor of the two numbers. 2. Experience the process of finding the common factors of two numbers and understand the common factors..

"Finding the Greatest Common Factor" PPT on the meaning of fractions:

"Finding the Greatest Common Factor" PPT on the Significance of Fractions Part One Content: Classroom Introduction 1. Students will understand the common factors and the greatest common factor in specific situations; explore ways to find the common factors of two numbers, and use the enumeration method to find two numbers common factors and greatest common factors. 2.Experience..

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Update Time: 2024-11-03

This template belongs to Mathematics courseware Beijing Normal University Edition Fifth Grade Mathematics Volume 1 industry PPT template

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