Page 67 - Touchpad Mathematics V1.0 C1

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\ 17-Nov-2025 Surender Singh Rothan Proof-7 Reader’s Sign _______________________ Date __________

3. Match the envelopes that give the same answer.

8 9 12 9

– 3 – 3 – 2 – 2

8 11 5 16
– 2 – 1 – 0 – 9

4. Subtract.

a. b. c. d.
T O T O T O T O

1 7 1 5 1 3 1 8

– 3 – 4 – 0 – 1

5. Anjali has 18 toffees. She gives T O
4 toffees to her sister, Anita. How 1 8

many toffees are left with her?
– 4
toffees

6. Monu, a fisherman has 17 fish. He T O
puts 6 of them back in the water. 1 7
How many fish are left with Monu? – 6

fish

Mental Maths

think and write. Century #Critical Thinking
21 st
Skills
1. 8 – 7 = 1 2. 9 – 8 = _______
remember
3. 2 – 1 = _______ 4. 6 – 5 = _______ When we subtract the
number just before
5. 7 – 6 = _______ 6. 4 – 3 = _______ a given number, the
answer is always 1.
7. 5 – 4 = _______ 8. 10 – 9 = _______

65
Subtraction up to 20