"Multiply two or three digits by one digit written calculation (without carrying)" Multiply two or three digits by one digit PPT courseware

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"Multiply two or three digits by one digit written calculation (without carrying)" Multiply two or three digits by one digit PPT courseware

Oral arithmetic practice

2×1= 4×2=

20×3= 40×2=

300×2= 200×4=

40+8= 6+60=

30+2= 80+6=

Written multiplication of two-digit numbers by one-digit numbers (without carry)

1. The one with the most digits is at the top.

2. Align the same digits.

3. Multiply from the ones position.

4. Multiply the number in each digit of the two-digit number by the one-digit number, and write the product under the digit you multiplied to.

A top costs 43 yuan, and the price of pants is twice that of the top. How much does it cost to buy a top and a pair of pants?

43×2=86 (yuan)

86+43=129 (yuan)

Answer: It costs 36 yuan to buy a top and a pair of pants.

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"Multiply two or three digits by one digit written calculation (without carrying)" Multiply two or three digits by one digit PPT courseware 2:

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Update Time: 2024-10-31

This template belongs to Mathematics courseware Jiangsu Education Edition Third Grade Mathematics Volume 1 industry PPT template

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