Page 43 - Start Up Mathematics_4

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Subtraction

Let’s Recall ...

• Subtraction means finding the difference between two numbers.
• Minuend – Subtrahend = Difference
↓ ↓ ↓
(Number from (Number which (Result or
which we subtract) is subtracted) answer)
• When zero is subtracted from a number, we get the number itself and when a number
is subtracted from itself, we get zero.

• When 1 is subtracted from a number, we get its predecessor.
• We cannot subtract a bigger number from a smaller number.

1 Solve the following.

(a) Th H T O (b) H T O

8 2 6 5 7 0 8

– 4 3 9 1 – 5 9 6

2 Find the missing digits.

(a) H T O (b) Th H T O

8 ? 6 8 2 7 ?

– ? 3 4 – 4 ? ? 4

3 1 ? ? 6 9 1

3 Two persons A and B stood for elections. Total votes were 6,875. Person A got 4,235 votes.
How many votes did person B get?
4 The difference between two numbers is 7,546. If one of the numbers is 1,509, find the
other number.

5 Subtract.

(a) 79 from 632 (b) 148 from 5,307
(c) 54 from 7,815 (d) 4,312 from 5,216

(e) 7,800 from 9,890 (f) 1,299 from 2,000

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