"Fraction Division" PPT

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"Fraction Division" PPT

Part One: Introduction of New Course

Import: Look at the multiplication equation and write two division equations:

6×7=42

(　 ) ÷ (　 ) = (　 )

(　 ) ÷ (　 ) = (　 )

The meaning of fractional division is the same as that of integer division. They are both operations of finding the product of two factors and one of the factors to find the other factor.

Fraction division PPT, part 2: analysis of examples

Example 1: Calculate the following three sets of questions orally.

(1) 20÷5=4

20×1/5 =4

(2) 48÷8=6

48×1/8 =6

(3) 36÷4=9

36×1/4 =9

Example 2: Mom bought 1/2 a large cake and divided it into 3 equal portions. What fraction of the large cake is each portion?

Divide 1/2 a flatbread into 3 equal portions, that is, divide a flatbread equally into (2×3=) 6 portions, each portion is 1/6.

Fractional division PPT, Part 3: Classroom exercises

1. Judgment:

(1) The meaning of fractional division is exactly the same as that of integer division. ( )

(2)5/6÷2=5/6 ×1/2 ( )

(3)5/6×2=5/6×1/2 ( )

(4)5/6÷1=5/6×1 ( )

After-school development

Rewrite the following division equations into multiplication equations and calculate the results.

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"Dividing a Number by a Fraction" Fraction Division PPT Courseware 2:

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Update Time: 2024-11-20

This template belongs to Mathematics courseware Hebei Education Edition Fifth Grade Mathematics Volume 2 industry PPT template

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