"Check of Addition and Subtraction" PPT courseware for addition and subtraction within 10,000 3

"Check of Addition and Subtraction" PPT courseware for addition and subtraction within 10,000 3

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"Check of Addition and Subtraction" PPT courseware for addition and subtraction within 10,000 3

According to 137+254=391, please write two subtraction formulas.

According to 487-226=261, please write an addition formula and a subtraction formula.

How much does a set of power suits and a pair of sneakers cost in total?

135+48=183 (yuan)

Two methods for checking addition:

sum - one addend = another addend

sum - another addend = one addend

Note: When performing calculations, do not directly copy the calculated results, but add them carefully to truly achieve the purpose of checking.

Two methods for checking subtraction:

Minuend = Difference + Minuend

Minuend = Minuend - Difference

This courseware provides a comprehensive introduction to the verification of addition and subtraction through small exercises, improves students' interest in learning, and helps students better understand and remember the knowledge points of addition and subtraction within 10,000. It is a good classroom teaching courseware.

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For more information about the PPT courseware "Addition and subtraction within 10,000 and verification of addition and subtraction", please click the "Addition and subtraction within 10,000" PPT verification of addition and subtraction PPT tag.

"Check of Addition" PPT courseware for addition and subtraction within 10,000:

"Check of Addition" PPT courseware for addition and subtraction within 20,000. On Sunday, Dongdong and his mother went to the supermarket to buy things. In order to prevent his mother from finding the wrong money, do you know how to check it? You can use 48+135 to see if the number is 183. You can also use 183-135, see...

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"Check of Addition and Subtraction" PPT courseware for addition and subtraction within 10,000 3

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