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Worksheets

Rational Numbers

Total questions: 10

Worksheet time: 6mins

Name
Class
Date
1.

____ is the identity for the addition of rational numbers.

a)

11

b)

00

c)

1-1

d)

12\frac{1}{2}

2.

____ is the multiplicative identity for rational numbers.

a)

11

b)

00

c)

1-1

d)

12\frac{1}{2}

3.

The additive inverse of  53\frac{5}{3}  is

a)

 11  

b)

 00  

c)

 53-\frac{5}{3}  

d)

 35\frac{3}{5}  

4.

Which of the following is not true?

a)

23+54=54+23\frac{2}{3}+\frac{5}{4}=\frac{5}{4}+\frac{2}{3}

b)

2354=5423\frac{2}{3}-\frac{5}{4}=\frac{5}{4}-\frac{2}{3}

c)

23×54=54×23\frac{2}{3}\times\frac{5}{4}=\frac{5}{4}\times\frac{2}{3}

d)

23×54=23÷45\frac{2}{3}\times\frac{5}{4}=\frac{2}{3}\div\frac{4}{5}

5.

A number of the form  pq\frac{p}{q}  is said to be a rational number if

a)

p and q are integers

b)

p and q are integers and  p0p\ne0  

c)

p and q are integers and  q  0q\ \ne\ 0  

d)

p and q are integers and  p  0 also q  0p\ \ne\ 0\ also\ q\ \ne\ 0  

6.

Between two given rational numbers, we can find

a)

one and only one rational number.

b)

only two rational numbers.

c)

only ten rational numbers.

d)

infinitely many rational numbers.

7.

The numbers ________ and ________ are their own reciprocals

a)

1 and 0

b)

1 and -1

c)

-1 and 0

d)

none of these

8.

Zero has ________ reciprocal.

a)

1

b)

2

c)

3

d)

no

9.

Which of the following is an example of distributive property of multiplication over addition for rational numbers.

a)
b)
c)
d)
10.

 x + y2 is a rational number\frac{x\ +\ y}{2}\ is\ a\ rational\ number  

a)

between x and y

b)

less than x and y both

c)

greater than x and y both

d)

less than x but greater than y