Page 53 - Math Genius C5

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\\October 8, 2025 12:09 PM Bharat Arora P-9 Reader _________________________ Date: ___________________74

Practice time 2g

Simplify the following.

1. 63 ÷ [24 – {15 – (4 × 3)}] 2. [97 + {30 – (5 × 2)}] × 15
3. 17 + [20 × {15 – (8 ÷ 4)} 4. 102 × [72 ÷ {65 + (84 ÷ 12)}]
5. 3982 × {45 – (90 ÷ 2)} 6. 84 ÷ [40 – {15 + (13 – 9)}]

7. [25 × {33 – (3 × 10)}] ÷ 3 8. 237 + [764 – {165 + (132 ÷ 33)}]
9. 80 + [20 × {20 – (10 ÷ 5)}] 10. 17 × [96 + {30 – (11 + 5)}]

Think Tank Logical Thinking
Place parentheses at the correct places so that you get the given answer.
(a) 7 + 6 × 8 = 104 (b) 5 + 3 × 5 5 = 35

Challenge Question Critical Thinking
1. Replace A by the correct digit: 2. 7

A A A 1 124 3 4 6 8 9
– 2 4 8
× A A 1
9 8 8
A A A 1 –
+ A A A A 1 2 0

+ A A A A – 1 1 1 6
9 3
A 2 3 3 2 1 – 8 6 8

6 8

maths fun Critical Thinking

Solve the following crossword puzzle using the clues given below.

Across 1
4. (25 + 50) × 80
7. 3676468 – 3575340
9. 4148 ÷ 17 2 3
10. Number of pens bought for `1216 at
`19 per pen 4 5 6
down
1. (73 × 25) × 40
2. Round off 180845 to the nearest hundred 7 8 9
3. 25027326 + 350738
5. 325260 ÷ 45 10
6. Quotient in 31437 ÷ 18
8. Remainder in 5374 ÷ 21

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