Page 54 - Math Genius C2

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\ 26-Sep-2025 Bharat Arora Proof-10 Reader’s Sign _______________________ Date __________

Can you help Ashu with the calculation?

1. The next day, her mother makes 69 more rakhis. So, she has a total
+ 69 = rakhis for sale.

2. At the end of the day, 10 rakhis are left. That means, – 10 = rakhis
were sold on that day.

SUBTRACTION FACTS

We know that ‘taking away’ is subtraction.
Krish has blown 9 balloons. 6 of them burst. 9

How many balloons are left now? – 6

Here, we subtract 6 from 9. Our answer is 3. 3 Difference

The sign of subtraction is ‘–’ (minus).

So, 9 – 6 = 3 Subtraction fact

Minuend Difference
Subtrahend
 The answer of subtraction is called the difference.

 The number from which we subtract another number is called the minuend.
 The number that is subtracted from the first number is called the subtrahend.

Properties of Subtraction

Subtracting 0

When we subtract 0 from a number, the difference is the number itself.

(a) 15 – 0 = 15 (b) 72 – 0 = 72 (c) 26 – 0 = 26

same same same

Subtracting 1

When we subtract 1 from a number, the

difference is the number that comes just Knowledge Desk
‘before’ the subtracting number (minuend). The word “subtraction” is made up of
two words ‘sub’ and ‘tract’. ‘sub’ means

(a) 26 – 1 = 25 (b) 60 – 1 = 59 below or bottom and ‘tract’ means to
carry away. Then, ‘subtraction’, means
before before ‘to carry away the bottom part’.

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