"Children's Happy Circle" PPT courseware

Category	Format	Size
Qingdao Edition First Grade Mathematics Volume 2	pptx	6 MB

"Children's Happy Circle" PPT courseware

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Upload Time: 2024-11-19

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Description

"Children's Happy Circle" PPT courseware

learning target:

1. Further understand and consolidate the knowledge of addition and subtraction of numbers within 100 learned this semester.

2. Go through the whole process of sorting and reviewing, and initially develop the ability to summarize and organize knowledge. Deepen your understanding of the internal connections between knowledge and be able to comprehensively apply the knowledge you have learned to solve simple practical problems.

Who can jump the most?

Do the two "6"s in 66 have the same meaning?

I will compare the size of the two numbers, 66 is greater than 23.

Different, the 6 in the tens place represents 6 tens, and the 6 in the ones place represents 6 ones.

Arrange the following numbers in order from smallest to largest.

100 51 36 79

90 99 29 40

Fill in “＜” “＞” or “＝” in ○

47-10○42 60○ 66-8

42○36+5 67+3○70

12+27○52-12 5+48○48+5

Observe carefully and fill in the numbers looking for patterns:

①1, 3, 5, 7, ( ), ( ), ( )

②95, 90, 85, ( ), ( ), ( )

③( ),( ),33,43 ,( ),( ),73.

What should you pay attention to when calculating addition and subtraction within a hundred?

1. The same digits must be aligned.

2. Counting from the ones digit, when the ones digit reaches ten, advance 1 to the tens digit.

If the ones digit is not subtracted enough, step back 1 from the tens digit, add 10 to the ones digit, and subtract again.

Summarize:

What did the students learn from this lesson? Can we skillfully apply the knowledge we have learned this semester?

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Update Time: 2024-11-19

This template belongs to Mathematics courseware Qingdao Edition First Grade Mathematics Volume 2 industry PPT template

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"Children's Happy Circle" PPT courseware