Free Printable 数学分数，小数，百分比练习 236

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数学分数，小数，百分比练习 236

Total questions: 27

Worksheet time: 27mins

Name

Class

Date

1.

哪项是 $\frac{4}{10}$ 的最简分数？

a)

$\frac{2}{3}$

b)

$\frac{2}{5}$

c)

$\frac{1}{5}$

d)

$\frac{2}{6}$

2.

$\frac{1}{7}+\frac{5}{7}=$

a)

$\frac{3}{7}$

b)

$\frac{4}{7}$

c)

$\frac{5}{7}$

d)

$\frac{6}{7}$

3.

$\frac{1}{2}-\frac{1}{8}=$

a)

$\frac{1}{2}$

b)

$\frac{3}{8}$

c)

$\frac{4}{9}$

d)

$\frac{3}{4}$

4.

把 $\frac{15}{20}$ 化为最简分数

a)

$\frac{1}{4}$

b)

$\frac{3}{4}$

c)

$\frac{3}{6}$

d)

$\frac{1}{2}$

5.

$\frac{3}{10}+\frac{2}{5}=$

a)

$\frac{5}{10}$

b)

$\frac{6}{10}$

c)

$\frac{7}{10}$

d)

$\frac{8}{10}$

6.

$\frac{2}{5}+\frac{1}{5}=$

a)

$\frac{2}{5}$

b)

$\frac{3}{5}$

c)

$\frac{4}{5}$

d)

$\frac{5}{5}$

7.

$\frac{1}{2}+\frac{1}{4}=$

a)

$\frac{3}{2}$

b)

$\frac{2}{6}$

c)

$\frac{4}{4}$

d)

$\frac{3}{4}$

8.

$\frac{3}{6}+\frac{1}{3}=$

a)

$\frac{4}{9}$

b)

$\frac{4}{6}$

c)

$\frac{5}{6}$

d)

$\frac{6}{6}$

9.

$\frac{3}{4}+\frac{1}{8}=$

a)

$\frac{7}{8}$

b)

$\frac{4}{12}$

c)

$\frac{1}{4}$

d)

$\frac{5}{8}$

10.

$\frac{5}{8}+\frac{1}{4}=$

a)

$\frac{6}{12}$

b)

$\frac{6}{32}$

c)

$\frac{7}{8}$

d)

$\frac{6}{8}$

11.

$\frac{7}{10}-\frac{2}{5}$

a)

$\frac{5}{10}$

b)

$\frac{5}{5}$

c)

$\frac{6}{10}$

d)

$\frac{3}{10}$

12.

$\frac{7}{9}-\frac{2}{3}=$

a)

$\frac{1}{9}$

b)

$\frac{5}{9}$

c)

$\frac{6}{9}$

d)

$\frac{2}{9}$

13.

0.12＋0.6=

(a)

14.

0.18＋0.36=

(a)

15.

0.86－0.4=

(a)

16.

0.11-0.04=

(a)

17.

0.83-0.37=

(a)

18.

0.5＋0.32=

(a)

19.

0.04比0.4大还是小？

(a)

20.

0.7比0.67大还是小？

(a)

21.

下列哪项不是最简分数？

a)

$\frac{5}{10}$

b)

$\frac{2}{5}$

c)

$\frac{3}{7}$

d)

$\frac{7}{8}$

22.

以下哪项比0.42大？

a)

0.38

b)

0.40

c)

0.41

d)

0.43

23.

把0.7写成文字

(a)

24.

把零点三三写成数字

(a)

25.

把 $\frac{60}{100}$ 写成小数

(a)

26.

把 $\frac{7}{100}$ 写成小数

(a)

27.

找出2563＋3759的百位近似值

a)

6300

b)

6321

c)

6320

d)

6322

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