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

Description

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

1. Introduction of activities and exploration of new knowledge

(1) Create learning activities and initially experience new knowledge

1. Ask students whose student ID is a factor of 8 to stand up and report their student ID. Please ask students whose student ID is a factor of 12 to stand up and report their student ID.

2. What did you discover through the activity just now?

3. Why do students with student numbers 1, 2, and 4 stand up twice?

(2) Establish concepts in group activities

1. ①Think about it and express the mathematical game process just now in your favorite way.

② Share your ideas with classmates in the group.

③Revise and improve your own research results.

2. Students carry out learning activities.

2. Independent exploration and mastering methods

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

2. Requirements: ①Please find the greatest common factor of 18 and 27.

② Share your methods with your classmates.

3. Display:

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

Factors of 27: 1, 3, 9, 27

Common factors of 18 and 27: 1, 3, 9 greatest common factor

② Screening method: Factors of 18: 1, 2, 3, 6, 9, 18. Among them, 1, 3, and 9 are also factors of 27, and 9 is the largest.

3. Apply knowledge and consolidate practice

1. Mark “○” on the factor of 18 and “□” on the factor of 30.

2. Kitten Fishing: Find the greatest common factor of the numerator and denominator and connect them with a line.

4. Reflect and review, improve understanding

We have now learned about factors, common factors, and the greatest common divisor. Can you tell us what the differences are between the three?

Keywords: Courseware on the meaning and properties of fractions, greatest common factor courseware, PPT courseware for fifth-grade mathematics volume 2 of the New People’s Education Press, download of fifth-grade mathematics slideshow courseware, downloading PPT courseware on the meaning and nature of fractions, downloading PPT courseware on the greatest common factor ,.ppt format

For more information about the "The Meaning and Properties of Fractions Greatest Common Factor" PPT courseware, please click the "The Meaning and Properties of Fractions ppt Greatest Common Factor ppt" tag.

"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’...

File Info

Update Time: 2024-10-31

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

Preview