Page 256 - Math Genius C5

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\ 08-Oct-2025 Bharat Arora Proof-9 Reader’s Sign _______________________ Date __________

(b) side of a square Perimeter of the square Challenge Question (Page 222)
25 km
(i) 5 cm 20 cm Practice time 12B
1
(ii) 12 cm 50 cm 1. (b) Panchkuian Road (c) Underground Parking
2 (d) 6 blocks, A, B, C, D, E and F
(iii) 10 cm 40 cm (e) Take the Janpath road and turn right from the outer circle, then take
1 a left turn on Parliament street. Now, take a right turn on Hanuman
(iv) 7 cm 30 cm Road to reach the Gurudwara.
2
1 (f) Baba Kharak Singh Marg
(v) 22 m 90 m 2. (a) 3 km (b) 5 km 500 m
2 (c) Zoya (d) Maya's house
(vi) 5 m 20 m 4. (a) – (iii) (b) – (i) (c) – (iv) (d) – (ii)
6. 56 cm 7. 27 cm 8. 11 cm 9. 66 m Challenge Question (Page 226)
10. 21 cm 11. 1632 m 50 km
12. 77 m, ₹ 8624 Chapter Assessment
Practice time 11B 1. (c)
1. (a) 240 sq. cm (b) 110 sq. cm (c) 10,560 sq.cm 3. (a) Valsad (b) Mehsana (c) Kachchh
(d) 72,000 sq. cm (d) South-east
2. (a) 16 sq. cm (b) 4096 sq. cm (c) 7225 sq. cm (d) 36 sq. m 4. (a) 5 cm, 750 m (b) 1 km 200 m
5.
3. Length of the Breadth of the Area (sq. cm) (a) (i) Apple (ii) Mango (iii) Papaya (iv) Cherry
(

(vi) Brinjal
v) Potato
Rectangle (cm) Rectangle (cm) (b) (i) (8, 7) (ii) (1, 4) (iii) (0, 6) (iv) (8, 5)
(i) 9 4 36 ( v) (3, 1) (vi) (9, 2)
(ii) 50 32 1600 Chapter 13: Data Handling
(iii) 23 15 345 Let’s ReCALL
(iv) 8 7 56 1. 20 students 2. Bungee jumping
4. (a) 3 sq. units (b) 6 sq. units 3. Boating 4. 65 students
1 1 5. 5 6. 120 students
(c) 4 sq. units (d) 7 sq. units
2 2 Practice time 13A
5. (a) 7 sq. units (b) 9 sq. units
1 1 1. Fruits tally Marks Number of fruits
(c) 7 sq. units (d) 7 sq. units
2 2 Mango | 6
6. 900 sq. m 7. 34 m 8. 480 sq. m Banana ||| 8
9. (a) 107 sq. cm (b) 168 sq. cm (c) 93 sq. cm Apple |||| 4
10. `87,750 11. 11 sq. m
Practice time 11C Papaya |||| 9
1. 151 sq. units 2. 35 sq. units 3. 56 sq. units 4. 136 sq. units Orange 10
5. 93 sq. units 6. 150 sq. units Grapes | 16
Mental Maths (Page 211) 2. (a) Dancing and watching TV (b) Reading (c) 3 students
Area (in sq. units) 15 7.5 18 9 6 (d) 21 students (e) 4
shapes C, E F, K D A, H, I B, G, J 3. Car Colour tally Marks Number
Challenge Question (Page 211) Red || 7
2176 sq. cm Green ||| 8
Maths Connect (Page 212) White 10
1. 568 m 2. 15,675 sq. m 3. 12 sq. m 4. 1 sq. m
5. 31,000 sq. m Blue 5
Chapter Assessment Yellow | 6
1. (a) (iii) (b) (iv) (c) (ii) (d) (i) Silver || 2
2. 1000 3. 440 metres, `2640 4. 425 Black || 2
5. `960 6. 48 cm and 66 sq. cm
Total = 40
Chapter 12: Visualisation of 3D Objects and Maps
(a) 10 (b) 8 (c) White
Let’s ReCALL
1. (b), (c) 4. Weight (in kg) tally Marks Number
Practice time 12A 40 |||| 4
1. (a), (c), (d) 43 || 2
2. (a) – (iii) (b) – (iv) (c) – (i) (d) – (ii) (e) – (v) 47 |||| 4
53 |||| 4
55 ||| 3
3. 4. 6, 5 5. Do it yourself 57 ||| 3
Total = 20

254 Mathematics-5