Page 224 - Start Up Mathematics_5

Exercise 7.3 II. Solve and answer.
,
,
,
,
1. (a) 31.5 (b) 39.52 (c) 36.744 (d) 25.650 1. 85 2. 0 3. < 4. 31 31 31 31 31
97
8
28 21 16 11
(e) 65.9502 (f) 140.1498
5. 69 6. > 7. 311.428 8. 0.8124 9. 0.078
2. (a) 33.48 (b) 0.126 (c) 123.92 (d) 11.836 1000
(e) 27 (f) 117.72 (g) 167.25 (h) 822.685 10. 9.2
(i) 783.1392 (j) 46.8496 (k) 605.772 (l) 272.223 Let’s Review – 1
3. (a) 831.5 (b) 600.23 (c) 1227.5 (d) 9384.7 I. Choose the correct answer.
(e) 7663.2 (f) 45086 (g) 95.34 (h) 8970.49 1. (d) 2. (c) 3. (b) 4. (a) 5. (b)
4. (a) 669.76 (b) 479.424 (c) 585.4308 (d) 15900.948 6. (d) 7. (a)
(e) 39580.93 (f) 168.05880 II. Solve mentally and answer.

Exercise 7.4 1. 8,99,100 2. False 3. 1, 2, 3, 5, 6, 10, 15, 30
2
1. (a) 8.39 (b) 17.42 (c) 7.26 (d) 0.0619 4. 2 5. 6 or 6. <
15 5
(e) 101.5975 7. 2.54, 3.75, 9.26 (Students can write any 3 like
2. (a) 0.9125 (b) 7.09 (c) 16.08 (d) 213.375 decimals) 8. 16.50 9. 0.04863
(e) 2.30875 10. 0.681, 0.16, 0.09, 0.084, 0.062
3. (a) 9.062 (b) 0.0157 (c) 4.1781 (d) 3.9062 III. Short and long answer questions.
(e) 0.24675 (f) 0.003998 1. (a) 9,00,000 + 80,000 + 4,000 + 200 + 10 + 7

Exercise 7.5 Nine lakh eighty-four thousand two hundred
1. ` 33.75 2. 44 m 3. ` 12.71 4. 47.49 litres seventeen
5. ` 398.35 6. 6.25 litres 7. 25.50 metres (b) 7,00,00,000 + 40,00,000 + 5,00,000 + 30,000 + 2,000 +
10 + 9
8. 46.75 kg, 701.25 kg
Seventy four million five hundred thirty-two
Let’s Evaluate thousand nineteen

1. (a) 301.11 (b) 2,389.73 (c) 1,060.555 2. (a) 5,82,075; 6,00,356; 6,14,120; 6,41,210
2. (a) 40.326 (b) 373.96 (c) 122.24 (b) 2 , 6 , 7 11 15 18
,
,
,
3. (a) 6,820.696 (b) 328.06 (c) 235.9448 19 19 19 19 19 19
, , , , ,
4. (a) 43.26 (b) 75.023 (c) 92.76 (c) 1 3 1 5 3 7
4 8 2 8 4 8
5. ` 1,716.25 6. 11.7 litres 7. 167.49 (d) 2.089, 2.98, 3.004, 3.014, 3.040
8. 108.749
3. (a) 6,08,162 (b) 62,620,338 (c) 5,78,664 (d) 1,317
9. (a) (ii) (b) (i) (c) (iii) (d) (ii)
4. (a) 26 (b) 8 (c) 32 (d) 31
Values and Life Skills 21 15 9 24
1. 1.4 kg 2. No, she is short of ` 96.75 5. (a) TL L TTh Th H T O

Scratch Your Brain 3 2 1 7 4 3 0
1. 200 g 1 4 9 2 8 1 9
2. (a) 29845 (b) 154125 (c) 10600042 + 4 7 6 8 4 2 1
10000 10000 100000
9 4 7 8 6 7 0
3. 1. 196.05 2. 105.25 3. 64.20 4. 165.26
C TL L TTh Th H T O
(b)
Assessment Sheet 2 8 7 2 0 0 1 4 3
I. Choose the correct answer. – 3 9 6 7 8 2 9 6
1. (a) 2. (c) 3. (b) 4. (c) 5. (d) 4 7 5 2 1 8 4 7
6. (a) 7. (b)

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