| Category | Format | Size |
|---|---|---|
| People's Education Press First Grade Mathematics Volume 1 | pptx | 6 MB |
"What is the addition of 5, 4, 3" PPT teaching courseware for carry addition within 20
Description
"What is the addition of 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 PPT, the second part of the content: learning new knowledge
5 + 7 = 5 + 8 =
How do you think you can tell the number quickly?
5 + 7 = 7 + 5 =
5 + 8 = 8 + 5 =
4 + 8 = 8 + 4 =
3 + 9 = 9 + 3 =
Swapping the positions of the addends keeps the same number.
543 plus a few PPT, the third part: knowledge expansion
Help the little animals do the math
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.
1. Looking vertically, how are the columns arranged?
2. Looking horizontally, how are the rows arranged?
3. What other regular arrangements did you find?
543 plus a few PPT, the fourth part: summary
Use various methods to calculate the sum of 5, 4, 3, and 2. There are methods for making up ten, methods for exchanging addend positions, and methods for looking at large numbers and dividing them into decimals, etc.
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 download of carry addition within 20:
"How Many Additions to 5, 4, 3" PPT Download of Carry Addition within 20 Part One: Review and 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.
"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: 2024-07-01
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