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4. (a) 5832 cu. mm (b) 1728 cu. cm (c) 27 cu. m Practice Time 14A
(d) 1.157625 cu. cm (e) 21952 cu. mm 1. Fruits Tally Marks Number of fruits
5. Length Breadth Height Volume Mango | 6
(a) 3.5 m 5 m 2 m 35 cu. m Banana ||| 8
(b) 5 cm 4 cm 7 cm 140 cu. cm Apple |||| 4
(c) 12 cm 5 cm 7 cm 420 cu. cm Papaya |||| 9
(d) 12 m 9 m 10 m 1080 cu. m Orange 10
6. 2304 cu. cm 7. 32.768 cu. m 8. 2 cm Grapes | 16
Mental Maths 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
Red || 7
Maths Connect
Green ||| 8
1. 568 m 2. 15675 sq. m 3. 9.6 sq. m 4. 1.44 sq. m White 10
5. 31000 sq. m Blue 5
Chapter Assessment Yellow | 6
1. (a) –(iii) (b) –(iv) (c) –(ii) (d) –(i) (e) –(iii) (f) –(iii) Silver || 2
2. 1000 3. 440 metres, `2904 4. 425 5. 2000 blocks Black || 2
6. `1080 7. 48 cm and 66 sq. cm 8. 79 unit cubes Total = 40
9. 10 m 10. 16320 cu. cm 11. 5000 cu. m (a) 10 (b) 8 (c) white
12. 27000 cu. cm 13. 10000000 bricks 14. Siya’s lunch box is bigger 4. Weight (in kg) Tally Marks Number
Brain Sizzlers 40 |||| 4
1. 750 grams 2. 2176 sq. cm 43 || 2
47 |||| 4
Chapter 13: Introduction to Percentage 53 |||| 4
Practice Time 13A 55 ||| 3
57 ||| 3
1. (a) 42 (b) 58 Total = 20
3. Fraction Decimal Percentage
4/100 0.04 4% Practice Time 14B
10/100 0.10 10%
1/2 0.50 50% 1. (a) The bar graph represents the sales of TV sets by a dealer in a
45/100 0.45 45% particular week.
7/50 0.14 14% (b) 1 square unit = 2 TV sets (c) 16
84/100 0.84 84%
(d) Friday and Saturday (e) Sunday (f) 82
4. (a) 20% (b) 75% (c) 62.5% (d) 125% 2. (a) `6000 (b) In others expenses (c) `20000
12 28 75 96
5. (a) (b) (c) (d) (d) Maximum money is spent on education.
100 100 100 100 3.
6. (a) 0.15 (b) 0.24 (c) 0.88 (d) 1.20 Y The temperature of some cities on a particular day
Scale: 1 square unit = 40C
7. (a) 180% (b) 5% (c) 83% (d) 235% 48
44
Practice Time 13B
40
1. (a) 27 kg (b) 6 minutes (c) 33 m (d) 36 km
(e) `884 (f) 18 minutes 36
2. (a) 4% (b) 6% (c) 15% (d) 25.6% (e) 90% (f) 71% 32
3. (a) 60% (b) 64 girls (c) 10% (d) 120 marbles Temperature (in °C) 28
Chapter Assessment 24
1. (a) (iv) (b) (ii) (c) (i) (d) (iii) 20
2. 102 boys 3. 450 notebooks 4. 80% 5. `2000000 16
12
1 2
6. 25% 7. 33 % 8. 800 children 9. 16 % 8
3 3
10. 60% 4
Chapter 14: Data Handling 0 Delhi Jaipur Agra Shimla X
Let’s Recall Chandigarh Mumbai
1. 20 students 2. Bungee jumping 3. Boating 4. 65 students Cities
5. 5 6. 120 students

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