Page 108 - ICSE Math 1

10. Subtract and write the answers.

(a) 58 – 5 = (b) 39 – 30 =

(c) 79 – 3 = (d) 67 – 24 =

(e) 42 – 2 = (f) 83 – 22 =

Subtraction on a Number line

Subtrac on on a number line means coun ng backward.

Look at the example, 24 – 7 = ?

Star ng from 24, subtract 7 by coun ng backward and you will reach 17.

So, 24 – 7 = 17.

16 17 18 19 20 21 22 23 24 25

11. Subtract the given numbers on the number line.

(a) 43 – 8 =
35 36 37 38 39 40 41 42 43 44

(b) 33 – 9 =
24 25 26 27 28 29 30 31 32 33

(c) 21 – 7 =

13 14 15 16 17 18 19 20 21 22

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