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Category | Format | Size |
---|---|---|
Hebei Education Edition First Grade Mathematics Volume 1 | pptx | 6 MB |
Description
"Subtracting How Many from 12" PPT courseware for subtraction within 20
teaching objectives
1. Combined with specific situations, go through the process of analyzing problems, listing formulas, and trying to calculate the subtraction of 12.
2. Be able to use the "want to add and subtract" method to calculate the subtraction of 12 and subtract a few, and be able to perform calculations correctly.
3. Able to actively communicate with classmates about their algorithms, and have a preliminary understanding of the relationship between addition and subtraction numbers.
How many mandarin ducks are there on the shore?
Point counting method: draw 12 flower pieces, remove 4, and there will be 8 left.
4+8=12
12-4=8
Since 4+8=12, 12-4=8.
give it a try
12 - 5 =
12 - 7 =
12 - 9 =
practice
1. Look at the diagram and calculate.
9+2=11
11-9=2
11-2=9
2. Do the math.
8 + 3 = 5 + 7 =
11-8 = 12-5 =
11-3 = 12-7 =
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For more information about the PPT courseware "Subtraction within 20, subtracting a few from 12", please click the Subtraction within 20 ppt12 subtracting a few ppt tag.
"12 Subtraction" Flash animation courseware for subtraction within 20:
"Subtracting a few from 12" Flash animation courseware for subtraction within 20. This courseware is a teaching material for subtraction within 20 in Unit 9 of the first grade mathematics volume of the Hebei Education Edition. Flash animation courseware for subtracting a few from 12. The content is vivid and vivid. Please download it! Keywords: Teaching courseware for subtracting numbers from 12, above 20..
"12 Subtraction" PPT courseware for subtraction within 20:
"12 Subtracts the Number" PPT courseware on abdication subtraction within 20. Teaching objectives 1. Proficient in the calculation method of 12 subtracting the number. 2. Be able to understand the arithmetic of subtraction from tens to numbers, and be able to perform calculations correctly. 3. Further perceive the connection between addition and subtraction equations and promote calculation ability..
File Info
Update Time: 2024-09-03
This template belongs to Mathematics courseware Hebei Education Edition First Grade Mathematics Volume 1 industry PPT template
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