Page 85 - Math Genius C2

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

H t O
3. A vendor bought 711 soft-drink bottles. He sold

217 of them. How many bottles were not sold?
Answer: __________________ –

4. Ankit bought 350 sweets for his birthday. He distributed H t O
313 sweets among his friends. How many sweets were

left? –

Answer: __________________

5. Team A scored 389 runs and Team B scored 285 H t O
runs in a test match. How many more runs were

scored by Team A than Team B? –

Answer: __________________

checking suBtrAction using Addition

We have learnt checking subtraction by using addition for 2-digit numbers. We do
the same for 3-digit numbers.
Example:

Check: Get it right!
7 3
H t O H t O
2 15 1 H t O H t O

4 3 5 2 2 8 6 2 4 6 2 4

– 2 0 7 + 2 0 7 – 4 2 8 – 4 2 8
2 2 8 4 3 5 2 0 4 1 9 6

Thus, the answer is correct.

Life Skills
Social Emotional Learning
After distributing 347 packets of food in a Flood Relief Camp, 168 packets
are left with an NGO. How many packets were there at the beginning?

How would you help the needy people who live in your locality? Discuss with your teacher.

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