"Three-digit times two-digit multiplication written calculation" Three-digit times two-digit PPT courseware

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Jiangsu Education Edition Fourth Grade Mathematics Volume 2	pptx	6 MB

"Three-digit times two-digit multiplication written calculation" Three-digit times two-digit PPT courseware

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Upload Time: 2024-10-19

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Description

"Three-digit times two-digit multiplication written calculation" Three-digit times two-digit PPT courseware

teaching objectives

In this lesson, we will mainly learn the written multiplication of three-digit numbers by two-digit numbers. Students must be able to write vertical calculation problems of three-digit numbers times two-digit numbers, and be able to solve related practical problems.

Explore new knowledge

It took 12 hours to take the train from Zibo to Beijing

The train travels 145 kilometers in one hour.

How many kilometers is it from Zibo to Beijing?

Discussion summary:

1. First multiply the number in the ones digit of the two-digit number by another factor, so that the last digit of the number is aligned with the ones digit of the two-digit number.

2. Then multiply the number in the tens digit of the two-digit number by another factor, so that the last digit of the number is aligned with the tens digit of the two-digit number.

3. Then add up the two multiplied numbers.

Compliance assessment

(1) The store wholesales repeaters from the factory for 142 yuan each. How much does the store have to pay the factory?

(2) If the store starts selling at a reduced price after selling 55 repeaters. If all items are sold, do you think the store will lose money or lose money? Communicate and answer questions with classmates.

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For more information about the PPT courseware "Three digits multiplied by two digits, three digits multiplied by two digits, written arithmetic multiplication", please click the Three digits multiplied by two digits ppt, three digits multiplied by two digits, written arithmetic multiplication ppt tag.

"Three-digit multiplication by two-digit written calculation" Three-digit multiplication by two-digit PPT courseware 2:

"Three-digit multiplication by two-digit written calculation" Three-digit multiplication by two-digit PPT courseware 2 Oral calculation 1 214= 609= 432= 1240= 2140= 6008= 2034= 7020= 2104= 6050= ... ... . .. Summary: 1. Multiply the ones and tens digits of the two-digit number in turn...

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Update Time: 2024-10-19

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

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Three digits multiplied by two digits ppt Three digits multiplied by two digits multiplication ppt

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"Three-digit times two-digit multiplication written calculation" Three-digit times two-digit PPT courseware