Page 209 - Math Genius C2

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\ 03-Oct-2025 Bharat Arora Proof-10 Reader’s Sign _______________________ Date __________

5. (a) Q = 6, R = 0 (b) Q = 4, R = 1 (c) Q = 4, R = 4 (d) Q = 6, R = 3 2. Solid Cube Cuboid Cone Cylinder Sphere
6. (a) 7 toffees (b) 10 plates (c) 5 rows Faces 6 6 2 3 1
Mental Maths (Page 127) 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
Challenge Question (Page 127) Practice Time 8D
1. 10 hops 2. 8 shirts, 2 buttons 3. 45 2. (a) Cube, Cuboid (b) Sphere (c) Cylinder
Think Tank (Page 148)
Model Test Paper – 1 C, B, A
1. (d) 2. (c) 3. (c) 4. (c) Practice Time 8E
5. (c) 6. (c) 7. (b) 8. (c)
9. (c) 10. (b) 1. (a) (b)
11. (a) False (b) False (c) True (d) True (e) False
12. Ascending order: 143, 206, 230, 265, 816, 818; 3. (a) 14, 16, 18 (b) 27, 30, 33 (c) 50, 60, 70 (d) QR, UV, YZ
Descending order: 818, 816, 265, 230, 206, 143 (e) R, P, N
13. Seema Mental Maths (Page 149)
14. (a) 709 (b) 900 + 80 + 7 (c) 957 1. Cube 2. Sphere 3. Rectangle 4. 7
15. (a) 92 (b) 368 legs 16. 8 chocolates Chapter Assessment
Chapter 7. Fractions 1. (a) Triangle (b) Square (c) Cone (d) Cylinder
______
Practice Time 7A 4. (a) (b) ______ (d) ______ ______
(c)
1. (a), (c) and (e)
Think Tank (Page 134) 5. (a) 11, 13, 15 (b) 25, 30, 35 (c) ABCDE, ABCDEF, ABCDEFG
(d) Ee, Ff, Gg
1. 2 2. 4 Challenge Question (Page 151)
Practice Time 7B 1. 9 rectangles 2. 26
1 3
3. (a) (b)
4 4 Chapter 9. Measurement
Challenge Question (Page 134) Think Tank (Page 155)
2. 8 bananas 1. cm 2. cm 3. cm 4. m
Fast Check (Page 135) Practice Time 9A
1. 5 balls 2. 4 toffees 3. 2 cars 2. (a), (b) and (e)
Chapter Assessment Practice Time 9B
1. (c) 2. (c) 3. (b) 1. (a) 92 cm (b) 104 cm (c) 138 m (d) 990 m
1 1 3 1 1 1 2. (a) 23 cm (b) 19 cm (c) 359 m (d) 676 m
4. (a) (b) (c) (d) (e) (f) 3. (b) 72 m (c) Tuesday, 240 m (d) 219 cm
4 2 4 3 4 4
Think Tank (Page 160)
1 1
(g) (h) 1. 2 2. 5 3. 20 4. 1
2 3
Practice Time 9C
Challenge Question (Page 136) 1. (a) A pumpkin (b) Peas
1 3 3. (a) kg (b) g (c) kg (d) g
1. , 3 biscuits 2.
3 4 4. (a) 70 g (b) 40 g (c) 80 g
Chapter 8. Shapes and Patterns Practice Time 9D
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
1. (d) 2. (c) 3. (a) 4. (b) 3. (b) 22 kg (c) 200 kg (d) 150 g
Think Tank (Page 139) Fast Check (Page 165)
2. (a) Morning and evening (b) Noon 3. Triangle 2. L 3. mL 4. L 5. mL
Practice Time 8A Practice Time 9E

1. When light falls on an opaque object, its shadow is formed on the other 1. (a) A bottle of water (b) A tanker of water
side on a screen. 2. 9 cups 3. (a) and (c)
2. Under the shadow of a tree. 4. (a) 500 mL (b) 300 mL (c) 750 mL (d) 900 mL
4. Circles – 5, Squares – 2, Rectangles – 13, Triangles – 5 Maths Connect (Page 167)
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 Tank (Page 145) 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 (Answer may vary) 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 (Answer may vary) 5. (a) 87 cm (b) 14 kg (c) 268 mL (d) 205 m

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