"Multiplying Fractions and Integers" Fraction Multiplication PPT Courseware

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Jiangsu Education Edition Sixth Grade Mathematics Volume 1	pptx	6 MB

"Multiplying Fractions and Integers" Fraction Multiplication PPT Courseware

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Upload Time: 2024-11-13

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Description

"Multiplying Fractions and Integers" Fraction Multiplication PPT Courseware

Just write the number directly.

⑴ Add 2 8s

Add 5 12

10 0.9

⑴ Add 2 8s 2×8＝

Adding 5 12s 5×12＝

10 0.9 10×0.9＝

If Xiaofang makes 3 silk flowers like this, what fraction of a meter of silk ribbon will be used in total?

Color in the picture above to indicate the number of meters used to make 3 silk flowers, and then list the calculation formula.

Summarize the calculation rules for multiplying fractions by integers

To multiply a fraction by an integer, use the product of the numerator of the fraction multiplied by the integer as the numerator, and the denominator remains unchanged.

If the numerator and denominator can be reduced, reduce them first and then multiply them. When dividing, the approximated number should be aligned up and down with the original number.

What does it mean to multiply fractions by whole numbers?

The meaning of multiplying fractions by integers is the same as that of multiplying integers, which is a simple operation to find the sum of several identical addends.

There are 36 children in the kindergarten. Each child eats 1/2 moon cake. How many moon cakes are eaten in total?

36×1/2=18 (blocks)

Answer: Eat 18 mooncakes in total.

Summary of this lesson

Understand that the meaning of multiplying fractions by integers is the same as multiplying by integers, and initially understand the calculation rules of multiplying fractions by integers.

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For more information about the PPT courseware "Multiplying Fractions and Multiplying Fractions and Integers", please click the Multiplying Fractions ppt Multiplying Fractions and Integers ppt tag.

"Multiplying Fractions and Integers" Fraction Multiplication PPT Courseware 2:

"Multiplying Fractions and Integers" Fraction Multiplication PPT Courseware 2 A Fuwa costs 68 yuan. How much does 5 Fuwa dolls cost? It takes 1.5 hours to process one Fuwa. How many hours does it take to process 10 pieces? To multiply a fraction by an integer, use the product of the numerator of the fraction and the integer as the numerator.

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Update Time: 2024-11-13

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"Multiplying Fractions and Integers" Fraction Multiplication PPT Courseware