"Understanding of Reciprocals" Fraction Division PPT Courseware 6

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"Understanding of Reciprocals" Fraction Division PPT Courseware 6

Do you want to know the secrets of the countdown?

1. What is countdown?

2. How to find the reciprocal of a number?

Quick answer

Two numbers whose sum is 1 are reciprocals of each other. ( )

Two numbers whose difference is 1 are reciprocals of each other. ( )

Two numbers whose quotient is 1 are reciprocals of each other. ( )

Two numbers whose result is 1 are reciprocals of each other. ( )

Several numbers whose product is 1 are reciprocals of each other. ( )

Two numbers whose product is 1 are reciprocals of each other. ( )

consolidate new knowledge

1. Game: (find friends)

Rules: (1) Ask a few students to stand in front with cards.

(2) Please look at your card and see who you are good friends with.

Please fill it in:

1. The product is the reciprocal of the number ( ) of ( ).

2.a and b are reciprocals of each other, then the reciprocal of a is ( ) and the reciprocal of b is ( )

expand:

1. Fill in the blanks:

7/8×( )=6/5×( )=1/4×( )=3×( )=1

2. The sum of a number and its reciprocal is 2. This number is ( )

3. What is the reciprocal of the smallest prime number?

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"Understanding of Reciprocals" Fraction Division PPT Courseware 7:

"Understanding of Reciprocals" Fraction Division PPT Courseware 7 Learning Objectives Understand the meaning of reciprocals through group cooperative learning. Master the method of finding the reciprocal of a number and be able to correctly find the reciprocal of a number. Learning style Group cooperation and communication Learning style Evaluation method Small...

"Understanding of Reciprocals" Fraction Division PPT Courseware 5:

"Understanding of Reciprocals" Fraction Multiplication PPT Courseware 5 Introduction Outline 1. Calculate first, and then observe what the common characteristics of the formulas are? 2. What is mutual reciprocity? How do you understand the word "mutual"? Is 3/8 the reciprocal? Why? 3. Are two numbers whose result is 1 reciprocal to each other? 4..

"Understanding of Reciprocals" Fraction Division PPT Courseware 4:

"Understanding of Reciprocals" Fraction Multiplication PPT Courseware 4 Cooperation and Communication Observe the calculation formulas and results. What did you find? 1. The numerator and denominator have exchanged positions; 2. The products are both 1; 3. They are two numbers multiplied together. Two numbers whose product is 1 are reciprocals of each other. ... ... ... ... ..

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Update Time: 2024-11-18

This template belongs to Mathematics courseware Western Normal University Edition Sixth Grade Mathematics Volume 1 industry PPT template

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