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Worksheets

Number System

Total questions: 10

Worksheet time: 22mins

Name
Class
Date
1.

Every rational number is

a)

a natural number

b)

a whole number

c)

an integer

d)

a real number

2.

The decimal representation of an irrational number is

a)

always terminating

b)

either terminating or repeating

c)

either terminating or non-terminating

d)

neither terminating nor repeating

3.

The simplest form of 1. 6\overline{6}  

a)

 833500\frac{833}{500}  

b)

 85\frac{8}{5}  

c)

 53\frac{5}{3}  

d)

none of these

4.

Is zero a rational number

a)

yes

b)

no

c)

none of these

5.

The decimal expansion of 7/8 is

a)

3.33...

b)

0.875.....

c)

0.875

d)

0.1428

6.

Classify the number: -23

a)

natural, whole, integer, rational, real

b)

integer, rational, real

c)

integer, irrational, real

d)

whole, integer, rational, real

7.

Classify the number: 0

a)

natural, whole, integer, rational, real

b)

integer, irrational, real

c)

irrational, real

d)

whole, integer, rational, real

8.

Classify the number:

a)

integer, rational, real

b)

rational, real

c)

irrational, real

d)

whole, integer, rational, real

9.

Which of the following is irrational?

a)


49\sqrt{\frac{4}{9}}

b)

123\sqrt{\frac{12}{3}}

c)

7\sqrt{7}

d)

81\sqrt{81}

10.

Classify the following:

0.04769165821735......

a)

Irrational

b)

Rational