Page 73 - ICSE Math 2

(d) 73 – 45 (e) 91 – 52 (f) 53 – 36

T O T O T O

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Checking Checking Checking

T O T O T O

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Finding the Missing Digits

Let’s learn how to fi nd the missing digits in You Should Know
a problem on subtrac on.
To fi nd the missing digits,
• To fi nd the smaller missing number, always start from the ones,
then move to the tens and
subtract the diff erence from the
then to the hundreds.
bigger number.

• To fi nd the bigger missing number, add the smaller number to the
diff erence.

Let’s fi nd the missing digit in the given subtrac on problem.

Checking

T O T O T O

9 5 Bigger 9 5 5 3 Diff erence
number

– 4 ? Smaller – 4 2 + 4 2 Smaller
number number
5 3 Diff erence 5 3 9 5 Bigger
number

Subtract 3 from 5. 2 is the
5 – 3 = 2 missing digit.

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