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E:\Working\Brother_Education\Preparatory_Stage_Maths-3_(11-09-2024)\Open_Files\Answers
\ 11-Sep-2024 Sonia Suyal Proof-1 Reader’s Sign _______________________ Date __________
17. 126 Chapter 8. Symmetry and Patterns
18. Smallest = 3078 ; Greatest = 8730 ; Difference = 5652 Practice Time 8A
19. 2030 1. (d), (e), (g), (h)
Chapter 7. Geometry
2. (a) (b) (c) (d)
Let’s Recall
1. (a) Square or Diamond, Two-way traffic
(b) Circle, No entry (e) (f) (g) (h)
(c) Triangle, Left-hand curve
(d) Rectangle, Electric vehicle charging station
Quick Check
1. Straight path 2. Line segment
Practice Time 7A 3. (a) (b) (c) (d)
1. (b) Line, AB (c) Line, MN (d) Ray, PQ
2. (a) 4; AB , BC , CD , DA (b) 3; PQ , QR , PR
(c) 5; GH , HI , IJ , JK , KG (d) 6; EF , FG , GH , HI , IJ , JE 4. (a) (b) (c)
3. 4; AE ; BF , CG , DH
4. (a) Ray (b) 6 (c) 1
Think and Answer Practice Time 8B
Yes
Practice Time 7C 1. (a) (b) (c)
1. (a) Circle (b) Triangle (c) Rectangle (d) Square
2. (a) 8 (b) 13 (c) 14 2. (a) 2 2 2 0 0 0 2 0 2 2 0 0 2 2 2 0 0 0
3. (a) 3 (b) 3 (c) 7
4. (a) Square (b) Rectangle (c) Circle (d) Triangle (b)
5. (a) rectangle (b) triangle (c) circle (d) square
6. (a) T (b) T (c) F (d) F
Maths Fun 3.
1. 14 2. 15
Quick Check 4. (a) 220, 270, 320 (b) 141, 151, 161
1. Cuboid 2. Sphere 3. Cone 4. Cylinder 6. (c) Def, Efg, Fgh (d) 1075, 1085, 1095
(a) 5
Practice Time 7D Mental Maths (b) 5
1. (a) Circle (b) Rectangle (c) Square (d) Triangle 1. floor, chessboard 2. Giraffe 3. (a) 4. R 5.
2. Shape Number of faces Number Number Chapter Assessment
of of edges of
Objects Plane Curved vertices 1. (a) (iii) (b) (i) 3. Rectangle, Square and Circle
faces faces
Cube 6 0 12 8 4. (a) D4, E5, F6 (b) ,
Cuboid 6 0 12 8 5. 8, , 6
Cone 1 1 1 1
Brain Sizzlers
Cylinder 2 1 2 0
3. (a) Yes (b) No (c) No (d) Yes 7 9 9 11
(e) No (f) Yes 1.
Practice Time 7E 16 20
1. (a) West (b) North (c) East (d) West
Brain Sizzlers 2. 11 4 20 11
1. 18 7 9
Mental Maths
2. 3 3. Sphere 4. 4 Chapter 9. Measurement
Chapter Assessment Let's Recall
1. (a) (i) (b) (ii) (c) (i) 1. (a) cm (b) cm (c) cm (d) cm (e) m (f) m
2. (a) 5, 1, 2 (b) 16, 3, 1 2. (a) g (b) kg (c) g (d) g (e) g (f) g
3. Water bottles, Dry cell
4. Ice-cream cone, Birthday cap (g) g (h) g
6. (a) cone (b) cylinder (c) cuboid (d) sphere 3. (a) 200 mL (b) 5 mL (c) 1 L (d) 10 L
(e) cube 4. (a) metre (b) kilograms (c) litre (d) centimetres
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