| Category | Format | Size |
|---|---|---|
| Jiangsu Education Edition Fourth Grade Mathematics Volume 2 | pptx | 6 MB |
"The Law of Change of Product" Multiplying three-digit numbers with two-digit numbers PPT courseware 2
Description
"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.
"The Law of Change of Product" Multiplication of two-digit numbers by two-digit numbers PPT courseware:
"The law of change of product" Multiplication of two digits by two digits PPT courseware teaching objectives In this lesson we will study the law of change of product. Students should actively use their brains to explore the law of change of product and see who summarizes the law. Most accurate. Observe this set of calculations and say something...
"The Law of Change of Product" Multiplying three-digit numbers with two-digit numbers PPT courseware 3:
"The Law of Change of Product" Three-digit Multiplication of Two-digit PPT Courseware 3 Who can summarize the two discovered laws into one in one sentence? When two numbers are multiplied together, when one factor remains unchanged and the other factor is multiplied by something, the product must also be multiplied by something. When two numbers are multiplied together, when one factor remains unchanged, the other...
"The law of change of product" three-digit times two-digit PPT courseware:
"Change Rules of Product" Multiplying Three-digit Numbers by Two-digit PPT Courseware When multiplying two numbers, one factor remains unchanged, the other factor is multiplied by a certain number (except 0), and the product is also multiplied by a certain number. When two numbers are multiplied, one factor remains unchanged, the other factor is divided by a number (except 0), and the product is also divided by a number. Two numbers match each other...
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Update Time: 2024-06-28
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