"The Greatest Common Factor" The meaning and properties of fractions PPT courseware 3

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"The Greatest Common Factor" The meaning and properties of fractions PPT courseware 3

How to find the greatest common factor of 18 and 27?

(1) Students first think independently and use their own methods to try to find the greatest common factor of 18 and 27.

(2) Discuss in groups, inspire each other, and then communicate with the whole class.

Exercise: Find the greatest common factor of 16 and 24.

Use the method of decomposing prime factors to find the greatest common factor of two numbers.

The greatest common factor of 24 and 36=2×2×3=12

The product of all the common prime factors of two numbers is the greatest common factor of the two numbers.

Summary of the whole course:

What are the special cases of finding the greatest common factor of two numbers?

(1) When two numbers are in a multiple relationship, the smaller number is their greatest common factor.

(2) When two numbers only have a common factor of 1, their greatest common factor is also 1.

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

"Finding the Greatest Common Factor" PPT courseware on the meaning of fractions. Find all the factors of 12 and 18, and communicate with your peers how you found them. The common factor of 12 and 18 is 1236. The common factor of 12 and 18 is 6. Practice 1. Find all the factors and greatest common divisors of 9 and 15, and...

"Common Factors and the Greatest Common Factor" Common Multiples and Common Factors PPT Courseware 2:

"Common Factors and the Greatest Common Factor" Common Multiples and Common Factors PPT Courseware 2 Teaching Objectives 1. Recognize the common factors and the greatest common factor, and be able to represent the factors of two numbers and their common factors respectively in the set diagram. 2. Can use enumeration method to find the common factors of two numbers within 100..

"Common Factors and the Greatest Common Factor" Common multiples and common factors PPT courseware:

"Common Factors and the Greatest Common Factor" Common Multiples and Common Factors PPT Courseware Teaching Objectives 1. Through comparison, analysis, induction, generalization and other thinking activities, discover and master the maximum of two numbers that are mutually prime and two numbers that are related to multiples Using the method of common denominators, develop students’...

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Update Time: 2024-11-17

This template belongs to Mathematics courseware People's Education Press fifth grade mathematics volume 2 industry PPT template

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