"How many numbers are added to 5, 4, 3" PPT download of carry addition within 20

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"How many numbers are added to 5, 4, 3" PPT download of carry addition within 20

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"How many numbers are added to 5, 4, 3" PPT download of carry addition within 20

Part One: Review Import

Oral calculation.

9+5= 8+6= 9+7=

7+8= 6+9= 8+9=

9+4= 7+6= 8+7=

To solve the problem of adding a decimal to a large number, you can use the method of exchanging the positions of the addends. Think about how much you get by adding the decimal to the large number, and then deduce the result.

543 plus a few PPT, the second part of the content: independent exploration

5+7= 5+8=

4+8= 3+9=

Please observe these calculation formulas and talk about how they are different from the addition learned in previous lessons.

group work

5+8=

4+8=

3+9=

543 plus a few PPTs, the third part: applying what you have learned

Look at the diagram.

What do these two pictures mean? Can you tell me something?

Why use addition calculation?

Fruit Picking.

Do the math for the little animals.

1. How many puppies and cubs were picked in total?

5+9=14

9+5=14

2. How many did the monkey and the puppy pick in total?

7+5=12

5+7=12

3. What else do you want to know? Talk to your classmates.

543 plus a few PPTs, the fourth part: summary and improvement

Look at large numbers and divide them into decimals,

Make it ten and it counts.

Swapping the positions of the addends leaves the sum unchanged.

Job design

Questions 1 and 3 of Exercise 22 on page 96 of the textbook

Keywords: Free download of first-grade mathematics PPT courseware from the People's Education Press, PPT download of carry addition within 20, PPT download of the addition of 543, .PPT format;

For more information about the PPT courseware "How many numbers are added to 543 with carry and addition within 20", please click on the PPT tag of "How many are added to 543 and how many are added to 543 with carry and within 20".

"How Many Additions to 5, 4, 3" PPT teaching courseware for carry addition within 20:

"How Many Additions to 5, 4, 3" PPT teaching courseware for carry addition within 20 Part One: Review 9+5=14 9+3=12 8+5=13 7+6= 6+7= 8+4=12 6+9=15 7+8= 8+7= ... ... ... 543 plus a few PPTs, the second part: new knowledge learning 5 + 7 ...

"What is the addition of 5, 4, 3" PPT on carry addition within 20:

"What is the addition of 5, 4, 3" PPT on carry addition within 20 Part 1: Scenario introduction How did you calculate it quickly? 9+5= 9+3= 8+5= 8+3= 9+4= 9+2= 8+4= 7+5= 6+6= 6+8= 7+6= 7+8= 9+ 6= 9+9= 8+8= ... ... ... 54..

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Update Time: 2024-10-03

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

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"How many numbers are added to 5, 4, 3" PPT download of carry addition within 20
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