"Multiplication with zeros in the middle or at the end of the factors" PPT courseware

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People's Education Press Fourth Grade Mathematics Volume 1	pptx	6 MB

"Multiplication with zeros in the middle or at the end of the factors" PPT courseware

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Upload Time: 2024-09-08

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Description

"Multiplication with zeros in the middle or at the end of the factors" PPT courseware

three digits

Review of multiplication with 0 in the middle or at the end of the factors

How much is 30 160?

(1) Oral calculation method

Think 16×3=48, 48X100=4800

So 160×30= 4800

I can do the math!

Use a simple method to calculate vertical expressions:

280×50 340×16 405×20

Tell me about the written multiplication method with 0 in the middle and at the end of the factors?

How to determine the number of zeros at the end of the product? What should you pay attention to when writing vertical style?

First multiply the numbers before 0, and then look at how many 0s there are at the end of the two factors, then add how many zeros at the end of the product.

I will fill in

The product of 1.40×50 is ( ) digits, and there are ( ) 0s at the end of the product.

2. Multiply the smallest two-digit number and the smallest three-digit number, and the product is ( ).

test you!

If there is a 0 at the end of the factor, first add the number before the 0 ( ).

Look at the total number of 0s at the end of ( ), and add a few 0s at the end of ( ).

This courseware provides a comprehensive introduction to written multiplication through small games and exercises, which improves students' interest in learning and helps students better understand and remember the knowledge points of multiplying three-digit numbers by two-digit numbers. It is a good classroom teaching courseware .

Keywords: three-digit times two-digit courseware, written arithmetic multiplication courseware, New People's Education Edition fourth-grade mathematics PPT courseware, fourth-grade mathematics slide courseware download, three-digit times two-digit PPT courseware download, written multiplication PPT courseware Download, .ppt format

For more information about the PPT courseware "Three-digit times two-digit multiplication by pencil", please click the "Three-digit multiplication by two-digit ppt pencil multiplication" ppt tag.

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Update Time: 2024-09-08

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Three digits multiplied by two digits ppt Written multiplication ppt

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"Multiplication with zeros in the middle or at the end of the factors" PPT courseware