"Organization and Review" PPT courseware for addition within 20

Description

"Organization and Review" PPT courseware for addition within 20

teaching objectives

1. Experience the process of collating and exchanging carry addition formulas within 20 in groups.

2. Able to organize the addition formulas within 20 in the addition table regularly, and be able to discover the rules in the addition table within 20.

3. Actively participate in group cooperative learning and feel the significance of group cooperation to solve problems.

Group work. Arrange the carry additions within 20 into a table. Think about it, what rules should be followed?

practice

1. Fill it out.

8＋□=13 9＋□= 15

7+□=12 6+□= 16

2+□=14 8+□= 15

2. Underwater world.

3. How many shells are there in total.

4. Fill it out.

8 + 5= 7 + 8= 7 + 9＝

7 + 6= 8 + 9= 7 + 5＝

9 + 7= 7 + 4= 8 + 8＝

5. Fill in ○ with ＞, ＜ or ＝.

8 + 3○12 6 + 8○12

7 + 6○13 7 + 8○14

7 + 7○14 10 + 6○13

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File Info

Update Time: 2024-11-22

This template belongs to Mathematics courseware Hebei Education Edition First Grade Mathematics Volume 1 industry PPT template

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