Free Printable Multiplication of Rational Numbers

1.

0.3 x 0.5

a)

0.15

b)

1.5

c)

15

d)

150

2.

(2.5)(-1.2)

a)

-3.7

b)

3.7

c)

3

d)

-3

3.

(-4.2)(-5)

a)

21

b)

-21

c)

-9.2

d)

-1.2

4.

(-0.2)(-0.8)

a)

16

b)

0.16

c)

0.016

d)

1.6

5.

-3.8 x 4

a)

-1.52

b)

7.8

c)

7.08

d)

-15.2

6.

Find the Product

a)

-0.2052

b)

-2.050

c)

2.050

d)

-0.2058

7.

Multiply.
0.9 x (-5.1)

a)

-45.9

b)

-459

c)

-.459

d)

-4.59

8.

a)

-0.32

b)

0.32

c)

3.2

d)

-3.2

9.

(-19) (11)

a)

-209

b)

-198

c)

187

10.

(2)(10)

a)

20

b)

-20

c)

-12

d)

12

11.

(-9)(-8)

a)

-72

b)

72

c)

81

d)

-81

12.

(-0.2)(-0.8)

a)

16

b)

0.16

c)

0.016

d)

1.6

13.

What is the definition of rational numbers?

a)

positive and negative fractions

b)

positive and negative decimals

c)

positive and negative whole numbers

d)

All of the above

14.

What operation do we use to turn fractions into decimals?

a)

addition

b)

subtraction

c)

multiplication

d)

division

15.

What is 1/4 written as a decimal?

a)

.2

b)

.14

c)

.25

d)

1.4

16.

What is 3/8 written as a decimal?

a)

.37

b)

.375

c)

.38

d)

3.8

17.

-0.22(- .05) =

a)

0.011

b)

-0.011

c)

-10.1

d)

10.1

18.

(4.87)(-1) =

(a)

19.

(6.34)(2) =

(a)

20.

Which of the following is not a rational number?

a)

$\sqrt{3}$

b)

$\frac{2}{7}$

c)

$-\frac{1}{5}$

d)

$6$

21.

Which of the following is the definition of rational number?

a)

A number which cannot be expressed in the form of

\frac{p}{q}

b)

A number can be expressed in the form of $\frac{p}{q}$

c)

A number can be expressed in the form of $\frac{p}{q}$ where $q\ne0$

d)

A number can be expressed in the form of $\frac{p}{q}$ where $p\ne0$

22.

Zero is a rational number.

a)

True

b)

False

23.

(-5) x (+2) =

a)

-10

b)

7

c)

-7

d)

10

24.

(-6)(5)

a)

30

b)

-30

25.

-2x(-6)=

a)

12

b)

-9

c)

9

d)

-12

26.

(+9) x (-7) =

a)

-63

b)

72

c)

57

d)

65

27.

If I have a negative multiplied with a positive, what will the answer be?

a)

Positive

b)

Negative

28.

If I have two negatives what will the product be?

a)

Negative

b)

Positive

29.

The numbers 0, 1, 2, 3, ... are called

a)

whole numbers

b)

integers

c)

rational numbers

d)

wierd numbers

30.

Which equations are true?

a)

7 · 8 = 56

b)

-7 · 8 = 56

c)

-7 · -8 = -56

d)

-7 · -8 = 56

Multiplication of Rational Numbers

Total questions: 30

Worksheet time: 1hrs 22mins

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