三年级数学-3.分数、小数与百分

三年级数学-3.分数、小数与百分

3rd Grade

30 Qs

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三年级数学-3.分数、小数与百分

三年级数学-3.分数、小数与百分

Assessment

Quiz

Mathematics

3rd Grade

Hard

Created by

LAU Moe

Used 11+ times

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30 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

1. 观察图表,将涂黑的部分加以说明。

A. \frac{1}{2}=\frac{5}{10}

B. \frac{1}{2}=\frac{4}{8}

C.\frac{1}{2}=\frac{3}{6}

D.\frac{1}{2}=\frac{2}{4}

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

2. 以下哪项不是  25\frac{2}{5}  的等值分数。

A. \frac{4}{10}  

B. \frac{3}{10}  

C. \frac{8}{20}  

D. \frac{10}{25}  

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

3.哪个是最简分数?

A. 35\frac{3}{5}

B. 510\frac{5}{10}

C. 48\frac{4}{8}

D. 39\frac{3}{9}

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

4. 哪个是  68\frac{6}{8}  的最简分数?

A.  \frac{3}{4}  

B.  \frac{1}{2}  

C.  24\frac{2}{4}  

D.  18\frac{1}{8}  

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

5.

  49+59=\ \frac{4}{9}+\frac{5}{9}=  

A.  \frac{9}{18}  

B. \frac{4}{5}  

C. \frac{5}{4}  

D. 1

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

6.
   25 + 12 =\ \ \frac{2}{5}\ +\ \frac{1}{2}\ =  

A.  \frac{8}{10}  

B. \frac{9}{10}  

C. \frac{4}{5}  

D.  \frac{7}{8}  

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

7. 
   3418= \ \ \frac{3}{4}-\frac{1}{8}=\   

A.  \frac{4}{8}  

B.  \frac{2}{4}  

C.  \frac{2}{8}  

D.  \frac{5}{8}  

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