Relate Subtraction and Multiplication with Division

a) Division by a number means subtracting that number repeatedly.

For example, to find 15 ÷ 3, subtract 3 from 15 repeatedly till you get a zero.

15 – 3 = 12,       12 – 3 = 9,       9 – 3 = 6,       6 – 3 = 3,       3 – 3 = 0

We have subtracted 3 from 15, 5 times to reach at zero.

So, 15 ÷ 3 = 5.

b) Multiplication and division are inverse operations. Multiplication is used to put equal groups together, and division separates one group into several equal groups.

For example: