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Exercise 5I 7. 1
1. +, 14 pencils 2. ×, 10 mangoes 3. –, 7 oranges 3
4. ÷, 3 toffees 5. –, 7 students 6. ×, ` 40 8. Figure a b c d e f
7. +, 29 carrots 8. ÷, 2 towers Number of shaded parts (Numerator) 1 4 4 7 4 3
Learning Logs Number of parts in all (Denominator) 4 12 9 15 8 8
2. a. 2 b. 9 c. 6 d. 12 1 4 4 7 4 3
3. a. 45 b. 30 c. 126 d. 78 Fraction for shaded parts 4 12 9 15 8 8
4. a. 7 b. 13 c. 8 d. 29 e. 9 f. 10 1
g. 27 h. 12 9. a. 6 biscuits b. 6 biscuits 10. 6
5. a. 12 weeks b. `20 c. 12 trees Exercise 6B 2 6
2
d. `90 e. 108 children, 1 notebook 2. a. 4 b. 5 c. 9
6. a. False b. True c. False d. True e. False 3. b. 12 ÷ 2 = 6, of 12 = 6 c. 6 ÷ 2 = 3, of 6 = 3 d. 14 ÷ 2 = 7, of 14 = 7
1
1
1
Puzzle 2 2 2
1
1
1
1. 637 2. a. 28 cookies b. 21 cookies 4. b. 15 ÷ 3 = 5, of 15 = 5 c. 12 ÷ 3 = 4, of 12 = 4 d. 6 ÷ 3 = 2, of 6 = 2
3
3
3
Mental Maths 1 1 1
4
4
4
1. a. 1 3 b. 1 8 c. 4 8 d. 8 9 5. b. 12 ÷ 4 = 3, of 12 = 3 c. 16 ÷ 4 = 4, of 16 = 4 d. 8 ÷ 4 = 2, of 8 = 2
5 6 5 7 1 2 6 2 9 6 9 8 0 1 Exercise 6C
9
3
2. a. 1 1 9 b. 1 2 6 c. 1 0 5 1. 10, 7, 3, 10 2. 16, 9, 16 3. a. 9 toffees b. 6 toffees
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2 2 3 8 4 5 0 5 6 6 3 5 4. a. `60 b. `30 5. 32
– 2 – 4 – 6 Learning Logs
0 3 1 0 0 3
– 2 – 8 – 0 1. a. 5 9 b. 2 9 c. 8 9
1 8 2 5 3 5 3. a. 2 b. 1 c. 3
– 1 8 – 2 4 – 3 0 5 4 20
0 1 5 4. a. Three b. Two c. Four d. Nine
Hots e. Five f. Eight
1. 8 ÷ 4 = 2 12
× 5. a. 5 bananas b. 20 c. 3 toffees d. 3 candles
6
8
35 60 ÷ 10 = 6 e. 16 f. 13
÷ = ÷
Mental Maths
5 × 8 = 40 1
1. c 2. a 3. d 4. b 5. b
= = Hots
56 ÷ 7 = 8 12 ÷ 6 = 2
Anuj: 14 balls, Kareem: 6 balls, Kavita: 10 balls
2. 36 ÷ 9 = 4
× Chapter 7: Geometry
30 12 ÷ 2 = 6 Warm Up
÷ = ÷ 2. a. Square, two-way traffic ahead b. Square, petrol pump
3 × 6 = 18 1 c. Triangle, left-turn d. Circle, no horn
= =
Exercise 7A
60 ÷ 10 = 6 36 ÷ 6 = 6
1. Shapes Number Number of Number of Number Number
Fun Activity a. Cuboid of faces plane faces curved faces of edges of vertices
12
0
6
8
6
1. A E F B C G H L K P T
b. Cube 6 6 0 12 8
Chapter 6: Fractions c. Cylinder 3 2 1 2 0
Warm Up d. Cone 2 1 1 1 1
1. one, four
2. a. Yes b. No c. No d. Yes
2. a. b. c. d. e. No f. 1 g. 2 4. Cube, cuboid
Exercise 6A 5. a. b. c. 6. b
1. a. Yes b. No c. No d. No 7. a. 3 b. 3 c. 4 d. 2 e. 10
2.
Exercise 7B
1. a. ii b. iv c. i d. iii
1

3. of shape (a), (b) and (d) are coloured. 2. a. Circle b. Rectangle c. Square d. Triangle
2
c. Circle
3. a. Square
b. Rectangle
6. Numbers of Total number Fraction for Fraction for 4. a. 5 b. 4 c. 8
coloured parts of equal parts coloured parts uncoloured parts 5. a. 3 b. 3 c. Circle d. Rectangle
8. a. Rectangle
b. Rectangle
a. 3 8 3 5 e. Circle f. Triangle
8 8 9. a. Rectangle b. Triangle c. Circle d. Square
b. 3 5 3 5 2 5 10. a. Number of square corners = 2
c. 4 8 4 4 Number of less than square corners = 1
Number of more than square corners = 1

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Answers