"The Law of Change of Product" Multiplying three-digit numbers with two-digit numbers PPT courseware 2

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"The Law of Change of Product" Multiplying three-digit numbers with two-digit numbers PPT courseware 2

Oral calculation

6×2=12 6×4=24

6×20=120 6×200=1200

Observation: Please choose two equations to compare and see how their factors change? How does the product change?

The changing pattern of product

When two numbers are multiplied, one factor remains unchanged, the other factor is multiplied by something, and the product must also be multiplied by something.

Can you combine these two laws?

When two numbers are multiplied, one factor remains unchanged, the other factor is multiplied by something, and the product must also be multiplied by something.

When two numbers are multiplied, one factor remains unchanged, the other factor is multiplied by a certain number (or divided by a certain number), and the product is multiplied by a certain number (or divided by a certain number).

Observation: Choose any two calculations to compare and see how their factors change? How does the product change?

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For more information about the PPT courseware "The Changes of the Product of Three Digits Multiplied by Two Digits", please click the Change Rules of the Product of Three Digits Multiplied by Two Digits ppt ppt tag.

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Update Time: 2024-11-22

This template belongs to Mathematics courseware Jiangsu Education Edition Fourth Grade Mathematics Volume 2 industry PPT template

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