Question 1

Using appropriate properties find:

(i)

(ii)

Question 2

Name the property under multiplication used in each of the following:

(i)

(ii)

(iii)

Question 3

Tell what property allows you to compute.

Question 4

Name the property under multiplication used in each of the following:

(i)

(ii)

(iii)

Question 5

Using appropriate properties find:

(i)

(ii)

Question 6

Write the additive inverse of each of the following:

(i) (ii) (iii) (iv) (v)

Question 7

Verify that −(−x) = x for.

(i) (ii)

Question 8

Find the multiplicative inverse of the following.

(i) (ii) (iii)

(iv) (v) (vi) −1

Question 9

Name the property under multiplication used in each of the following:

(i)

(ii)

(iii)

Question 10

Multiply by the reciprocal of.

Question 11

Is the multiplicative inverse of? Why or why not?

Question 12

Is 0.3 the multiplicative inverse of? Why or why not?

Question 13

Write:

(i) The rational number that does not have a reciprocal.

(ii) The rational numbers that are equal to their reciprocals.

(iii) The rational number that is equal to its negative.

Question 14

Fill in the blanks.

(i) Zero has __________ reciprocal.

(ii) The numbers __________ and __________ are their own reciprocals

(iii) The reciprocal of − 5 is __________.

(iv) Reciprocal of, where is __________.

(v) The product of two rational numbers is always a __________.

(vi) The reciprocal of a positive rational number is __________.

### 2 comments to Rational Numbers Chapter 1: Class 8 Maths CBSE

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