"Addition and Subtraction Calculation" PPT

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Hebei Education Edition Second Grade Mathematics Volume 2	pptx	6 MB

"Addition and Subtraction Calculation" PPT

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Upload Time: 2024-09-08

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"Addition and Subtraction Calculation" PPT

Part One: Learning Objectives

1. Be able to perform three-digit addition and subtraction operations with three-digit numbers.

2. Ability to use knowledge of addition and subtraction to solve practical problems

Lectures on classic topics

Honghong: 199+86=275 (yuan)

Salesperson: 199+86=285 (yuan)

Use your own method to check and see who is right.

I use vertical calculation

I swapped the positions of the two addends, and Hong Hong’s calculation was wrong!

Addition and subtraction calculation PPT, part 2: applying what you have learned

Calculate the following questions and check them.

352+524= 876-524=

708+235= 943-235=

There are 274 species of amphibians and 399 species of reptiles in my country. How many species of amphibians and reptiles are there?

There were 654 people visiting the Science and Technology Park in the morning and 296 people visiting in the afternoon. How many people visited the science and technology park on this day?

654+296=950 (people)

Answer: A total of 950 people visited the Science and Technology Park on this day.

Keywords: Hebei Education Edition second grade mathematics PPT courseware for the second volume free download, addition and subtraction calculation PPT download, .PPT format;

For more information about the PPT courseware "Three-digit addition and subtraction three-digit addition and subtraction" PPT courseware, please click the Three-digit addition and subtraction three-digit PPT addition and subtraction verification PPT tag.

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Update Time: 2024-09-08

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Three-digit addition and subtraction three-digit PPT Addition and subtraction verification PPT

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"Addition and Subtraction Calculation" PPT