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\\November 23, 2023 5:09 PM Surender Prajapati Proof 5 Reader _________________________ Date: ___________________74

D. 1. (a) Lakshadweep (b) Ten lakh fifty-five thousand four hundred fifty 9. (a) 4 + 5 + 6 = 15, 5 + 6 + 7 = 18
(c) 300000 (b) (9876 – 4) ÷ 8 = 1234, (98765 – 5) ÷ 8 = 12345
(d) 12444464 = 10000000 + 2000000 + 400000 + 40000 + 4000 + 400 + (c) 6666 × 6666 = 44435556, 66666 × 66666 = 4444355556
60 + 4 (d) 29, 24, 19, 14, 9, 4 (e) 15, 30, 45, 60, 75, 90
(e) Mizoram – 1,091,014; Puducherry – 12,444,464; Arunachal Pradesh (f) 107, 98, 89, 80, 71, 62
– 1,382, 611; Goa – 1,457,723; Nagaland – 1,980,602 10. (a) 121 (b) 45
(f) Mizoram (g) 55050 11. 1, 36
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2. 3 3. 3 4. A = 5 5. Do it yourself 6. 19.2 L Ch-8: Measurements
81
7. (a) ray (b) line (c) ray (d) line segment (e) ray Let’s Recall
(f) ray 1. 305 2. 225000 3. 404.5 4. 41, 00 5. 165, 142
Chapter 7: Symmetry and Patterns 6. 3500
Practice Time 8A
Let’s Recall 1. (a) 7300 m (b) 182 mm (c) 3975 m (d) 6.5 hm
1. Do it yourself (e) 5324 g (f) 45 dag (g) 32.6 hg (h) 14.65 dL
2. Do it yourself (i) 0.038 kL
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 2. (a) 5.156 km 51.56 hm 51560 dm
Practice Time 7A (b) 8.234 g 8234 mg 0.8234 dag
1. (a) one (b) two (c) three (d) infinite (e) two (c) 21.1 L 2110 cL 21100 mL
2. Do it yourself
3. (a) one (b) two (c) five (d) six (e) infinite (d) 0.24408 hL 24.408 L 244.08 dL
(f) two (g) six (h) two (e) 0.005487 kg 54.87 dg 5487 mg
5. (a) B, C, D, E (b) A, M, T, U, V, W, Y (c) H, I, O, X 3. (a) 1700 dam (b) 440000 mm (c) 7750 mm (d) 0.3 dam
Practice Time 7B (e) 2.7 dam (f) 2500 dg (g) 17200 mg (h) 860 g
1. (a) flip (b) turn (c) slide (d) turn (e) turn (f) flip (i) 4.326 hg (j) 2.114 dag (k) 1.34 daL (l) 8 kL
2. (a) turn (b) slide (c) flip, turn (m) 3.55 L (n) 26 dL (o) 32600000 mL
4. b and c 5. a, c, d Practice Time 8B
6. (a) None (b) H, I, N, O, S, X and Z 1. (a) 1 dam 1 m 0 dm 6 cm 2 mm (b) 14 kg 2 hg 1 dag 8 g
1 3
7. (a) turn clockwise or turn (anti-clockwise) (c) 15 kL 5 hL 9 daL 1 L (d) 19 km 309 m
4 4 (e) 34 g 896 mg (f) 13 L 677 mL
1 3 2. (a) 61 kL 6 hL 7 daL 8 L (b) 3 m 0 dm 6 cm 7 mm
(b) turn (anti-clockwise) or turn clockwise
4 4 (c) 1 kg 8 hg 6 dag 7 g (d) 18 m 50 cm
(e) 54 g 67 mg (f) 6.85 mL
Practice Time 7C 3. (a) 226 m 35 cm (b) 744 kg 575 g
1 1 1 1
1. (a) (b) (c) (d) (c) 80 kg 7 hg 6 dag 6 g (d) 78 km 4 hm 0 dam 8 m
4 4 2 2 (e) 377 L 625 mL (f) 60 kL 368 L
4. (a) 98765 × 9 + 3 = 888888, 987654 × 9 + 2 = 8888888 4. (a) 1.3787 g (b) 6.261 kg (c) 0.731 m (d) 0.797 km
(b) 1 + 3 + 5 + 7 + 9 + 11 = 36 = 6 × 6, (e) 0.406 kL (f) 0.683 L
1 + 3 + 5 + 7 + 9 + 11 + 13 = 49 = 7 × 7, 5. 32.1 m 6. 40 kg 125 g 7. 35.105 L 8. 1 L 641 mL
1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 = 64 = 8 × 8 Think and Answer
(c) 37 × 12 = 444, 37 × 15 = 555 1. 65 km/h 2. 255 km
(d) 77762223 ÷ 7777 = 9999, 7777622223 ÷ 77777 = 99999 Chapter Assessment
(e) 1234321 ÷ 1111 = 1111, 123454321 ÷ 11111 = 11111
5. (a) 1, 3, 6, 10, 15, 21, 28, 36, 45, 55. 1. (a) –(iii) (b) –(iii) (c) –(iii) (d) –(iii)
(b) 4, 7, 10, 13, 16,19, 22, 25, 28. 2. (a) 3.237 kg (b) 257 gram
(c) 6, 11, 21, 36, 56, 81, 111, 146, 186. 3. 43.108 kg 4. 1.875 litres 5. 60 6. 6 km 850 m
(d) 81, 72, 63, 54, 45, 36, 27, 18. 7. 335 cm 8. 3 rounds
(e) 2 + 1, 2 + 5, 2 + 9, 2 + 13, 2 + 17, 2 + 21, 2 + 25 Mental Maths
(f) 1 + 2, 1 + 3, 1 + 5, 1 + 7, 1 + 11, 1 + 13, 1 + 17 1. 190 mm 2. 11.400 km 3. 10005 g 4. 6.800 kg
Mental Maths 5. 11930 mL 6. 3.300L
Brain Sizzlers
40 6.250 km
8 5 Chapter 9: Time and Temperature

Let’s Recall
4 9
32 81 2 hours 20 minutes
8 9
Practice Time 9A
1. (a) –(i) (b) –(iii)
9 5 2. (a) 3:20 a.m. (b) 4:28 a.m. (c) 9:37 a.m. (d) 2:29 p.m.
45 (e) 1:30 p.m. (f) 5:40 p.m. (g) 6:25 p.m. (h) 12:00 a.m.
3. (i) 10:22 p.m. (j) 9:38 p.m. (k) 1:48 p.m. (l) 8 p.m.
Chapter Assessment (a) 0140 hours (b) 0457 hours (c) 0006 hours (d) 0605 hours
(f) 1936 hours
(e) 1024 hours
(g) 1215 hours
(h) 1417 hours
1. (a) –(i) (b) –(iii) (c) –(iii) (d) –(ii) (i) 2300 hours (j) 2400 hours or 0000 hours (k) 1530 hours
5. 360° 6. CODE, DECIDE, CHOICE, BOX, ICE (answer may vary) (i) 2140 hours
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