Page 72 - ICSE Math 2

(g) 93 – 64 (h) 85 – 39 (i) 40 – 19

T O T O T O

– – –

Checking Subtraction

To check if you have subtracted two numbers correctly, add their diff erence to
the smaller number. The sum should give you the bigger number.

Look at the given example.

Subtract 32 from 65 and check the subtrac on.
Checking

T O T O

6 5 Bigger number 3 3 Diff erence

– 3 2 Smaller number + 3 2 Smaller number

3 3 Diff erence 6 5 Bigger number

6. Find the diff erence and check the subtrac on.
(a) 62 – 37 (b) 84 – 6 (c) 83 – 54

T O T O T O

– – –

Checking Checking Checking
T O T O T O

+ + +

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