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三年级 数学 分数(减法)

Authored by TAN Moe

Mathematics

3rd Grade

CCSS covered

Used 875+ times

三年级 数学 分数(减法)
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15 questions

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1.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

 78\frac{7}{8}  - 28\frac{2}{8}  =

 18\frac{1}{8}  

 28\frac{2}{8}  

 38\frac{3}{8}  

 58\frac{5}{8}  

2.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

 910\frac{9}{10}  -  510\frac{5}{10}  =

 25\frac{2}{5}  

 12\frac{1}{2}  

 310\frac{3}{10}  

 1410\frac{14}{10}  

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

 34\frac{3}{4}  - 18\frac{1}{8}  =

 48\frac{4}{8}  

 24\frac{2}{4}  

 28\frac{2}{8}  

 58\frac{5}{8}  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以下哪一项是正确的?

23+23=46\frac{2}{3}+\frac{2}{3}=\frac{4}{6}

2712=14\frac{2}{7}-\frac{1}{2}=\frac{1}{4}

91015=810\frac{9}{10}-\frac{1}{5}=\frac{8}{10}

12+14=34\frac{1}{2}+\frac{1}{4}=\frac{3}{4}

Tags

CCSS.7.NS.A.1C

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 56\frac{5}{6}  - 23\frac{2}{3}  =

 36\frac{3}{6}  

 16\frac{1}{6}  

 26\frac{2}{6}  

 33\frac{3}{3}  

6.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

 45\frac{4}{5}  与 25\frac{2}{5}  相差多少?

 110\frac{1}{10}  

 710\frac{7}{10}  

 65\frac{6}{5}  

 25\frac{2}{5}  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 68\frac{6}{8}  - 12\frac{1}{2}  的答案与哪一组相同 ?

 78\frac{7}{8}  - 38\frac{3}{8}  

 78\frac{7}{8}  - 58\frac{5}{8}  

 14\frac{1}{4}  - 18\frac{1}{8}  

 12\frac{1}{2}  - 38\frac{3}{8}  

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