Page 221 - ICSE Math 4

30. Irregular 31. 13; 460 32. 1,000 33. 23; 19
2. (a) ; Decrease a star each me.
34. 1°C 35. minimum 36. 24 37. Data
38. bar graph 39. pictograph and bar graphs
(b) ; Add a leaf each me. 40. addi on 41. reducing 42. fi xed
C. 1. TTh Th H T O 2. 4,10,678 < 4,18,932
3. (a)
580
309 271
161 148 123
78 83 65 58 3. 67,123 < 79,270 < 89,780 < 99,780;
35 43 40 25 33 99,780 > 89,780 > 79,270 > 67,123
24 11 32 8 17 16 4. (a) 28 (b) 29 (c) 500
5. (a) XXXIII (b) XXV (c) XXIX
(b)
259
6. (a) (b)
XI XII I XI XII I
125 134 X II X II
IX III IX III
59 66 68 VIII IV VIII IV
VII V VII V
VI VI
29 30 36 32
12 17 13 23 9 7. Students to do on their own.
8. 12,000 9. 8,724
4. 2 4 6 8 10 12 14 16 18 20 10. Actual value: 2,110; Es mated value: 2,100
22 24 26 28 30 32 34 36 38 40 11. 211 12. (a) 2,345 (b) 4,789
42 44 46 48 50 52 54 56 58 60 13. 683employees 14. 765 tomatoes 15. 1,03,207
62 64 66 68 70 72 74 76 78 80 16. (a) Q = 181 (b) Q = 492; R = 1
17. 115 18. 32 19. 19, 38, 57, 76, 95
82 84 86 88 90 92 94 96 98 100
20. 318 = 2 × 3 × 53 21. (a) 2 (b) 2
Progress Worksheet 14 7 39 13
22. (a) (= ) (b) (= )
1. (a) Yes (b) No 48 24 48 16
2 14 13 10 23 3 35 38
23. (a) = (b) + = (c) + =
2. (a) (b) 5 35 24 24 24 57 57 57
3
24. cup of sugar 25. Students to do on their own.
7
(c) (d) (e) 26. Students to do on their own.
27. Students to do on their own.
2
2
3. (a) Start with 7 and add 5 each me. 28. 72 cm 29. 64 cm ; 32 cm
(b) Start with 100 and subtract 10 each me. 30. (a) 60 cm (b) 41 cm 31. 51 m 30 cm
4. (a) 40 (b) 33 32. (a) 50,270 m (b) 99,603 m
16 24 20 13 (c) 58,039 m (d) 70,030 m
6 10 14 15 5 8 33. (a) 351 km 890 m (b) 523 m 62 cm
2 4 6 8 (c) 1 L 250 mL (d) 2 L 667 mL
12 3 2 6 34. (a) 1 h 34 min 38 s (b) 1 h 38 min 10 s
(c) 2 h 4 min 49 s (d) 1 h 11 min 9 s
A empt and Score
35. 60 h 30 min 36. 65°C
A. 1. b 2. b 3. c 4. c 5. a 6. a 7. b 8. d
37. (a) 3,950 books (b) Sanskrit
9. d 10. a 11. c 12. d 13. a 14. b 15. c
16. b 17. d 18. d 19. a 20. c 21. d 22. a 38. (a) 55 students (b) Grade D (c) Grade B
23. b 24. b 25. c 26. d 27. b 28. b 29. b 39. Flowers Number of Flowers
30. d 31. b 32. b 33. c 34. a 35. b 36. b
37. d 38. b 39. b 40. c 41. b 42. a Rose
B. 1. 9,999 2. 8,09,579 3. 4,83,300; tens 4. 29
Scale
5. 1,000 6. three 7. 1,751 8. 4,809 9. order Tulip
10. cannot 11. zero 12. Minuend 13. zero = 3 fl owers
14. La ce mul plica on 15. 1,944 16. 5 17. 0
Lily
18. 1 19. composite 20. prime 21. sum
22. like frac ons 23. equivalent frac ons
24. numerators, denominator 25. parallel Lotus
26. equal 27. symmetry 28. Area 29. perimeter

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