"9 plus a few" PPT courseware for carry addition within 20

Description

"9 plus a few" PPT courseware for carry addition within 20

1. Review old knowledge and prepare for the future

2. Explore new knowledge

Create situations and initially collect information.

Questions: 1. What do you know about drinks from the picture?

2. What problems did they encounter?

3. Can you make a calculation to solve it?

Explore independently and clarify the algorithm.

Method 1 - Number 10, 11, 12, 13 or 1, 2, 3...12, 13

Method 2 - Make it together. First put 1 box of drinks into the box. There are 3 boxes outside, so there are 13 boxes in total.

Question: Why do you put a box of drinks in it and what is it used for?

Look for patterns and deepen your understanding.

9+2=11

9+3=12

9+4=13

This courseware vividly and interestingly displays the teaching content of "9 plus a few" through vivid pictures, helping teachers to better complete the teaching of this lesson. It is a very good mathematics teaching courseware for the first grade of primary school published by the People's Education Press.

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For more information about the PPT courseware "How many are added to 9 with carry and addition within 20", please click on the ppt tag of "How many are added to 9 and how many are added to 9 and how many are added with carry and are within 20".

"Add a few to 9" Addition within 20 PPT courseware 2:

"9 plus a few" Addition within 20 PPT courseware 2 Teaching objectives 1. Combined with the problem situation, experience the process of hands-on operation, use your own method to calculate, and communicate personalized algorithms. 2. Be able to correctly calculate how many times 9 is added and understand how to make ten. 3. Willing to communicate with others about oneself...

"9 plus a few" PPT courseware for addition within 20:

"9 plus a few" PPT courseware for addition within 20. Count one at a time. Now there are 13 boxes. Continuous counting method: First count the 9 boxes in the box. The method of making up ten: put the outside 1 box of drinks in the box to make 10 boxes. 10 boxes plus the remaining 3 boxes make a total of 13 boxes; now there are 13 boxes. ..

"How many numbers are added to 9" Carry addition within 20 PPT courseware 6:

"9 plus a few" PPT courseware for addition within 20 PPT courseware 6 There are 6 people in the running group, 3 people in the rope skipping group, 7 people in the long jump group, 9 people in the shuttlecock group, 9+7=16 Think: 9 plus ( ) gets 10. 10 plus ( ) have to( ). 9+3=12 Think: 9 plus ( ) gets 10. 10 plus ( ) gets (..

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Update Time: 2024-11-22

This template belongs to Mathematics courseware People's Education Press first grade mathematics industry PPT template

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