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2B专题16“折”的问题

Authored by Asmo Teacher

Mathematics

3rd Grade

Used 2+ times

2B专题16“折”的问题
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

请作答。

2×2x2x2=16(米)

1×1x2=2(米)

2×2x2=8(米)

2×2=4(米)

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

请作答。

4段

5段

3段

2段

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

请作答

36 ÷(2x2)=9

答:每折长9米。

36 ÷2=18

答:每折长18米。

36 ÷(1x1)=36

答:每折长36米。

36 ÷(1x2)=18

答:每折长18米。

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

请作答。

2x2x10=40厘米

答:这根绳子原来长40厘米。

1x1x10=10厘米

答:这根绳子原来长40厘米。

2x10=20厘米

答:这根绳子原来长20厘米。

2x1x10=20厘米

答:这根绳子原来长20厘米。

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

把一根16厘米的绳子,对折三次,每段长多少厘米?

16÷(2x2x2x2)= 1

16÷ 2 = 8

16÷(2x2)= 4

16÷(2x2x2)= 2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

请作答。

2x2=4

2x2x2x2=16

2x2x2=8

2x2x2x2x2=32

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

请作答。

折完2次后,应该是4小根(2x2),但是,间剪中开后,其中的1根分成了两分,2+3=5

折完3次后,应该是8小根(2x2x2),但是,中间剪开后,其中的1根分成了两分,2+7=9

折完1次后,应该是2小根,但是,间剪中开后,其中的1根分成了两分,2+1=3

折完4次后,应该是16小根(2x2x2x2),但是,间剪中开后,其中的1根分成了两分,2+15=17

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