Free Printable F1-分数、小数、百分数运算

1.

求 $\frac{3}{2}$ 的倒数与99%的积。（答案以最简分数来表示）

a)

$0.66$

b)

$\frac{33}{50}$

c)

$\frac{66}{100}$

d)

$66$

2.

以科学记号表示1234567，并取四位有效数字的近似值，

a)

1.234 x 10^6

b)

1.234 x 10^7

c)

1.235x 10^6

d)

1.2346x 10^7

3.

$\left(12.15-6.5\right)-\left(2.4\times1.5\right)+\frac{0.36}{0.6}$

a)

$\frac{53}{20}$

b)

1.85

c)

2.00

d)

2.65

e)

$\frac{37}{20}$

4.

$\left(100\%-26\right)\times\frac{1}{5}+\left(32\div8\%\right)$

a)

18.8

b)

350.2

c)

500.0

d)

395

5.

$\left(3\frac{1}{2}+\frac{1}{8}\right)\times2-\frac{33}{20}\div\left(0.4\times2.5\right)$

a)

15/4

b)

28/5

c)

7/2

d)

9/5

6.

$\left|\left(-2\right)^3+\frac{3}{4}\right|-\left(0.2+\frac{1}{20}\right)$

a)

5.5

b)

8.0

c)

6.3

d)

7.0

7.

$\frac{2+1\frac{1}{2}}{\frac{9}{\frac{3}{2}-1}-2}\div\frac{1}{4}$

a)

$\frac{3}{4}$

b)

$\frac{7}{8}$

c)

0.75

d)

$\frac{3}{5}$

e)

87.5%

8.

Arrange in descending order the followings:
$\left(-0.6\right)^2,\ 5.5\%,\ \left|-0.4\right|,\ \frac{1}{5}$

a)

$5.5\%,\ \frac{1}{5},\ \left(-0.6\right)^2,\left|-0.4\right|$

b)

$\ \left|-0.4\right|,\left(-0.6\right)^2,\frac{1}{5},\ 5.5\%$

c)

| $\left(-0.6\right)^2,\ 5.5\%,\ \left|-0.4\right|,\ \frac{1}{5}$ ]

d)

$5.5\%,\ \left(-0.6\right)^2,\ \ \left|-0.4\right|,\ \frac{1}{5}$

9.

$\frac{0.2\times2^3+\left(0.2\right)\times\left(-1\right)}{\left|-1+\frac{1}{50}\div0.04\right|\times0.2}$

a)

14

b)

10

c)

20

d)

5

10.

$-\left(-0.2\right)^2=+0.04$

a)

True

b)

False

F1-分数、小数、百分数运算

Total questions: 10

Worksheet time: 6mins

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