"Subtraction within 10,000" Addition and subtraction within 10,000 PPT courseware download

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

"Subtraction within 10,000" Addition and subtraction within 10,000 PPT courseware download

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Upload Time: 2024-10-05

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"Subtraction within 10,000" PPT courseware for addition and subtraction within 10,000

Oral calculation.

80-7 = 35-8 =

42-5 = 32-9 =

63-4 = 43-6 =

Vertical calculation.

54-21 =

79-37 =

65-24 =

Now let's change 517 to 507. Think about it, what's the difference in calculation?

We should step back 1 from the 5 in the hundreds place, and then step back 1 from the tens place to the ones place. In this way, there will be 9 left in the tens place, and we can continue to subtract.

Next we look at a question, how to calculate 500-185?

185 can be divided into 100 and 85, 500-100=400, 400-85=315.

Let’s go and “see my harvest” in the remaining time

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

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For more information about the PPT courseware "Addition and Subtraction Within Ten Thousand", please click the Subtraction PPT Addition and Subtraction Within Ten Thousand PPT tab.

"Subtraction within 10,000" PPT courseware for addition and subtraction within 10,000:

"Subtraction within 10,000" PPT courseware review of addition and subtraction within 10,000: 3 kilograms = ( ) grams 8000 grams = ( ) kilograms 5 kilograms = ( ) grams 2000 grams = ( ) kilograms 1. Oral calculation of addition and subtraction Example 1 (1) 30+50= (2) 80+70= (3) 600+700 = (4..

"Subtraction within 10,000" Flash animation courseware for addition and subtraction within 10,000:

"Subtraction within 20,000" Flash animation courseware for addition and subtraction within 20,000. This animation courseware helps students understand and apply the knowledge they have learned through exercises, fully demonstrates the knowledge points of addition and subtraction within 20,000, and combines daily necessities As an example, teaching makes...

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Update Time: 2024-10-05

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Subtraction PPT Addition and subtraction PPT within 10,000

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"Subtraction within 10,000" Addition and subtraction within 10,000 PPT courseware download