Page 254 - Math Genius C5

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

D. 1. (a) Lakshadweep (b) Ten lakh fifty-five thousand four hundred fifty Chapter Assessment
(c) 300000 1. (a) (i) (b) (iii) (c) (iii) (d) (ii)
(d) 12444464 = 10000000 + 2000000 + 400000 + 40000 + 4000 + 400 + 5. 360° 6. CODE, DECIDE, CHOICE, BOX, ICE (answer may vary)
60 + 4 9. (a) 4 + 5 + 6 = 15, 5 + 6 + 7 = 18
(e) Mizoram – 1,091,014; Puducherry – 12,444,464; Arunachal Pradesh (b) (9876 – 4) ÷ 8 = 1234, (98765 – 5) ÷ 8 = 12345
– 1,382, 611; Goa – 1,457,723; Nagaland – 1,980,602 (c) 6666 × 6666 = 44435556, 66666 × 66666 = 4444355556
(f) Mizoram (g) 55050 (d) 29, 24, 19, 14, 9, 4 (e) 15, 30, 45, 60, 75, 90
79 1 (f) 107, 98, 89, 80, 71, 62
2. 3 3. 3 4. A = 5 5. Do it yourself 6. 19 L
81 5 10. (a) 121 (b) 45
7. (a) ray (b) line (c) ray (d) line segment (e) ray 11. 1, 36
(f) ray
Ch-8: Measurement
Chapter 7: symmetry and Patterns
Let’s ReCALL
Let’s ReCALL 1. 305 2. 225000 3. 404.5 4. 41, 00 5. 165, 142
1. Do it yourself 6. 3500
2. Do it yourself Practice time 8A
3. (a) 12, 17, 22, 27, 32, 37, 42, 47 (b) 55, 52, 49, 46, 43, 40, 37, 34
4. (a) ALL IS WELL (b) WORK HARD 1. (a) 73000 m (b) 1820 mm (c) 39000 m (d) 6 hm
think tank (Page 142) (e) 54,000 g (f) 4500 dag (g) 32 hg 60 g (h) 14 dL 65 mL
(i) 3 kL 808 L
1 2. (a) 1700 dam (b) 4,40,000 mm (c) 7700 mm (d) 30,000 m
Practice time 7A (e) 27 m (f) 2500 dg (g) 17,200 mg (h) 860 g
1. (a) one (b) two (c) three (d) infinite (e) two (i) 43 dag 26 dg (j) 211 dg 4 cg (k) 134 dL (l) 8 kL
2. Do it yourself (m) 35,500 cL (n) 26 dL (o) 3,26,00,000 mL
3. (a) one (b) two (c) five (d) six (e) infinite × 5
(f) two (g) six (h) two 100 cm 500 cm 1000 cm 1200 cm 1800 cm
5. (a) B, C, D, E (b) A, M, T, U, V, W, Y (c) H, I, O, X 3. (a) × 100
Practice time 7B
1. (a) flip (b) turn (c) slide (d) flip, turn 1 m × 5 5 m 10 m 12 m 18 m
(e) turn (f) flip × 5
2. (a) turn (b) slide (c) flip, turn 1,000 g 5000 g 12,000 g 18,000 g 22,000 g 27,000 g 30,000 g
4. b and c 5. a, c, d
6. (a) None (b) H, I, N, O, S, X and Z (b) × 1000
1 3
7. (a) turn clockwise or turn anticlockwise 1 kg 5 kg 12 kg 18 kg 22 kg 27 kg 30 kg
4 4
× 5
1 3
(b) turn anticlockwise or turn clockwise × 7
4 4
1,000 mL 7,000 mL 14,000 mL 25,000 mL 31,000 mL
Practice time 7C
1 1 1 1 (c) × 1000 28,000 mL
1. (a) ( b) ( c) ( d)
4 4 2 2 1 L 7 L 14 L 25 L 28 L 31 L
4. (a) 98765 × 9 + 3 = 888888, 987654 × 9 + 2 = 8888888 × 7
(b) 1 + 3 + 5 + 7 + 9 + 11 = 36 = 6 × 6, Practice time 8B
1 + 3 + 5 + 7 + 9 + 11 + 13 = 49 = 7 × 7,
1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 = 64 = 8 × 8 1. (a) 1 dam 1 m 0 dm 6 cm 2 mm (b) 14 kg 2 hg 1 dag 8 g
(c) 37 × 12 = 444, 37 × 15 = 555 (c) 15 kL 5 hL 9 daL 1 L (d) 19 km 309 m
(d) 77762223 ÷ 7777 = 9999, 7777622223 ÷ 77777 = 99999 (e) 34 g 896 mg (f) 13 L 677 mL
(e) 1234321 ÷ 1111 = 1111, 123454321 ÷ 11111 = 11111 2. (a) 61 kL 6 hL 7 daL 8 L (b) 3 m 0 dm 6 cm 7 mm
5. (a) 1, 3, 6, 10, 15, 21, 28, 36, 45, 55. (c) 1 kg 8 hg 6 dag 7 g (d) 18 m 50 cm
(b) 4, 7, 10, 13, 16,19, 22, 25, 28. (e) 54 g 67 mg (f) 69 mL
(c) 6, 11, 21, 36, 56, 81, 111, 146, 186. 3. 320 cm 4. 40 kg 125 g 5. 35 L 105 mL
(d) 81, 72, 63, 54, 45, 36, 27, 18. think tank (Page 166)
(e) 2 + 1, 2 + 5, 2 + 9, 2 + 13, 2 + 17, 2 + 21, 2 + 25 1. 65 km/h 2. 255 km
(f) 1 + 2, 1 + 3, 1 + 5, 1 + 7, 1 + 11, 1 + 13, 1 + 17 Mental Maths (Page 167)
Mental Maths (Page 152)
1. 190 mm 2. 11 km 400 m 3. 10,005 g 4. 6 kg 800 g
40 5. 11,930 mL 6. 3 L 300 mL
Chapter Assessment
8 5 1. (a) (iii) (b) (iii) (c) (iii) (d) (iii)
2. (a) 52 g 45 cg (b) 630 km 1 hm (c) 32,300 mL (d) 4300 dg
4 9 (e) 72,900 mm (f) 947 kL 8 hL
32 81 3. (a) 3 kg 737 g (b) 2,57,000 mg
8 9
4. 43 kg 108 g 5. 6 km 850 m 6. 335 cm
9 5 Chapter 9: time
45 Let’s ReCALL
2 hours 20 minutes

252 Mathematics-5