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

"Lianjia" PPT courseware

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Upload Time: 2024-11-22

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Description

"Lianjia" PPT courseware, 18 pages in total.

Classroom introduction

The farmer's uncle's pumpkin harvest has been bumper. Let's help harvest the pumpkins. Let's compete in picking pumpkins together.

New knowledge exploration

How many were picked in total?

First, count the pumpkins picked by the first group and the second group.

28+34 =

Plus the pumpkins picked by the third group

62+22 =

Think about it: How else could you solve the problem?

Class exercises

Calculate it any way you like.

54+20+16=

46+25+17=

7+59+20=

summary

What knowledge have you learned in this class?

Even plus

Calculation method:

(1) Calculate from left to right

(2) It can be calculated step by step or written as a vertical calculation

(3) The calculation method is the same as adding two numbers. Align the same digits and count from the ones digit.

Keywords: free download of continuous addition PPT courseware, download of addition and subtraction PPT within 100, .PPT format;

For more information about the PPT courseware "Addition and subtraction within 100 and continuous addition", please click the Addition and subtraction within 100 PPT and continuous addition PPT tag.

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File Info

Update Time: 2024-11-22

This template belongs to Mathematics courseware People's Education Press Second Grade Mathematics Volume 1 industry PPT template

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Addition and subtraction PPT within 100 Continuous addition PPT

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"Lianjia" PPT courseware