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4. (a) 2 (b) 3 2. Solid Cube Cuboid Cone Cylinder Sphere
5. (a) Q = 6, R = 0 (b) Q = 4, R = 1 (c) Q = 4, R = 4 (d) Q = 6, R = 3
6. (a) 7 toffees (b) 10 plates (c) 5 rows Faces 6 6 2 3 1
Mental Maths Vertices 8 8 1 0 0
1. 8 pairs 2. 5 cars 3. 4 groups 4. 6 Edges 12 12 1 2 0
5. 8 weeks 6. 30 Practice Time 8D
Brain Sizzlers 2. (a) Cube, Cuboid (b) Sphere (c) Cylinder
1. 10 hops 2. 8 shirts, 2 buttons Think and Answer
C, B, A
Model Test Paper – 1 Practice Time 8E
1. (d) 2. (c) 3. (c) 4. (c) 1. (a) (b)
5. (c) 6. (c) 7. (b) 8. (c)
9. (c) 10. (b)
11. (a) False (b) False (c) True (d) True (e) False 3. (a) 14, 16, 18 (b) 27, 30, 33 (c) 50, 60, 70 (d) qR, UV, YZ
12. Ascending order: 143, 206, 230, 265, 816, 818; (e) R, P, N
Descending order: 818, 816, 265, 230, 206, 143 Mental Maths
13. Seema 1. Cube 2. Sphere 3. Rectangle 4. 7
14. (a) 709 (b) 900 + 80 + 7 (c) 957 Chapter Assessment
15. (a) 92 (b) 368 legs 16. 12 chocolates 1. (a) Triangle (b) Square (c) Cone (d) Cylinder
Chapter 7. Fractions
______
4. (a) (b) ______ (d) ______ ______
(c)
Practice Time 7A
1. (a), (c) and (e) 5. (a) 11, 13, 15 (b) 25, 30, 35 (c) ABCDE, ABCDEF, ABCDEFG
Think and Answer (d) Ee, Ff, Gg
1. 2 2. 4 Brain Sizzlers
Practice Time 7B 1. 9 rectangles 2. 26
1 3 Chapter 9. Measurement
3. (a) (b)
4 4 Think and Answer
Mental Maths 1.
cm
2. 8 bananas Practice Time 9A 2. cm 3. cm 4. m
Quick Check 2. (a), (b) and (e)
1. 5 balls 2. 4 toffees 3. 2 cars Practice Time 9B
Chapter Assessment 1. (a) 92 cm (b) 104 cm (c) 138 m (d) 9 m 90 cm
1. (c) 2. (c) 3. (b) 2. (a) 23 cm (b) 19 cm (c) 359 m (d) 6 m 76 cm
4. (a) 1 (b) 1 (c) 3 (d) 1 (e) 1 (f) 1 3. (b) 72 m (c) Tuesday, 240 m (d) 219 cm
4 2 4 3 4 4 Think and Answer
1 1 1. 2 2. 5 3. 20 4. 1
(g) (h)
2 3 Practice Time 9C
Brain Sizzlers 1. (a) A watermelon (b) A pair of litchis
3.
1 , 3 biscuits 4. (a) kg (b) g (c) kg (d) g
(a) 70 g
(b) 40 g
(c) 80 g
3 Practice Time 9D
Chapter 8. Shapes and Patterns 1. (a) 80 kg (b) 500 g (c) 200 kg (d) 5 kg 810 g
Get Ready 2. (a) 140 g (b) 309 g (c) 87 kg (d) 3 kg 399 g
3.
(c) 200 kg
(b) 22 kg
(d) 150 g
1. (d) 2. (c) 3. (a) 4. (b) Quick Check
Think and Answer 2. L 3. mL 4. L 5. mL
2. (a) Morning and evening (b) Noon 3. (c) Practice Time 9E
Practice Time 8A 1. (a) A bottle of water (b) A tanker of water
1. When light falls on an opaque object its shadow is formed on the other 2. 9 cups 3. (a) and (c)

side on a screen. 4. (a) 500 mL (b) 300 mL (c) 750 mL (d) 900 mL
2. Under the shadow of a tree. Maths Connect
4. Circles – 5, Squares – 2, Rectangles – 13, Triangles – 5
5. (a) 4, 4 (b) equal (c) 3, 3 (d) 4, 4 (e) no, no 1. (a) 15 mL (b) 75 mL 2. 25 mL 3. 40 mL
Practice Time 8B Practice Time 9F
2. 2 horizontal lines, 1 vertical line, 4 slanting lines 1. (a) 80 L (b) 101 L (c) 644 mL (d) 4 L 480 mL
Think and Answer 2. (a) 8 L (b) 51 mL (c) 115 mL (d) 2 L 254 mL
3.
(b) 800 mL
(c) 20 L
1. ball, coin 2. Birthday cap, ice-cream cone Chapter Assessment
3. Juice can, Glass 4. Matchbox, almirah 1.
Practice Time 8C 4. (a) 2. (a) 3. (c)
(a) — (iv) metre (b) — (vi) millilitre (c) — (v) centimetre
1. (a) Dice (b) Tomato (d) — (iii) gram (e) — (ii) kilogram (f) — (i) litre
(c) Bottle (d) Geometry box 5. (a) 87 cm (b) 14 kg (c) 268 mL (d) 205 m
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