Page 178 - MathGenius-C1-Flipbook

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Answers

Chapter 1. Spatial Understanding Life Skills (Page 36)
Get Ready! 2. Donkey 4. Cow 6. Duck
1. Yes, it is on the bed. Challenge Question (Page 36)
2. Yes, they are outside the home. 1. 2 tens 2. 10 students
activity (Page 10) Chapter assessment
1. Three 2. Tiranga 3. In the middle of the white strip 1. (b) 2. (a) 3. (a) 4. (d)
think tank (Page 14) 8. (a) third (b) seventh 9. Ananya
1. Rohan 2. He is near the pole. Mental Maths (Page 38)
Mental Maths (Page 15) 1. 1 2. 10 3. 9
1. Inside the refrigerator 2. Under the blanket Chapter 3. addition up to 20
3. Throw far away 4. On the table
Chapter assessment Get Ready!
1.
1. (c) 2. (c) 5. 10 2. 8 3. 10 4. 9
10
6. 10
Chapter 2. Numbers up to 20 Practice time 3a
Get Ready! 1. (b) 4 + 4 = 8 (c) 6 + 3 = 9
2.
1. 1 2. 4 3. 3 4. 5 (b) 8 (c) 9 (d) 9 (e) 10 (f) 11 (g) 9
(h) 9
Maths Connect (Page 19) Practice time 3B
1. (a) 2 (b) 2 (c) 3 (d) 4 1. 9 2. 16 3. 14
Practice time 2a Practice time 3C
1. 2 – Two, 9 – Nine, 1 – One, 8 – Eight, 3 – Three, 6 – Six 1. (a) 5 (b) 3 (c) 9 (d) 8 (e) 3 (f) 7
Practice time 2B (g) 4 (h) 8 (i) 6
1. (a) 3 (b) 2 (c) 1 (d) 0 Challenge Question (Page 44)
2. (b) 10 – Ten (c) 10 – Ten 2
Challenge Question (Page 23) Challenge Question (Page 45)
10 – Ten 6 and 8; 9 and 5
Practice time 2C Practice time 3d
1. (b) 12, Twelve (c) 13, Thirteen (d) 14, Fourteen (e) 15, Fifteen 2. 14 3. 15 4. 17 5. 12
(f) 16, Sixteen (g) 17, Seventeen (h) 18, Eighteen (i) 19, Nineteen 6. 13
(j) 20, Twenty Practice time 3e
Practice time 2d 2.
1. (b) 14, Fourteen (c) 13, Thirteen (d) 20, Twenty 6. 9 3. 9 4. 7 5. 8
8. 10
9. 13
12
7. 10
Challenge Question (Page 26) 10. 15
1 tens and 7 ones Or 17 ones Practice time 3F
Practice time 2F 1. (b) 4 + 5 + 2 = 11 (c) 5 + 2 + 6 = 13 (d) 3 + 2 + 5 = 10 (e) 6 + 5 + 4 = 15
1. (a) 6, 7, 8, 10, 11, 12, 13, 14, 15, 16, 17 (f) 4 + 1 + 5 = 10 (g) 6 + 5 + 5 = 16 (h) 5 + 1 + 3 = 9
(b) 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19 2. (a) 10 (b) 14 (c) 11 (d) 16
(c) 6, 7, 8, 9, 10, 12, 13, 14, 15, 17, 18 (e) 13
2. (a) 18,17, 16, 14, 13, 12, 11, 9, 8, 7, 6, 5 Practice time 3G
(b) 20, 19, 18, 16, 15, 14, 13, 11, 10, 9, 8, 7, 6 1. (b) 14 (c) 19 (d) 13 (e) 16
(c) 16, 15, 14, 13, 11, 10, 9, 8, 7, 5, 4, 3 (f) 19 (g) 18 (h) 18
Practice time 2H 2. (a) 14 (b) 15 (c) 18 (d) 13
1. (a) 9 < 19 (b) 14 > 11 (c) 14 > 13 (d) 20 = 20 (e) 19 (f) 12 (g) 16 (h) 11
2. (a) > (b) < (c) = (d) < (i) 17
(e) < (f) > (g) > (h) < Practice time 3H
3. Smallest Greatest 1. (a) 2 + 1 = 3 (b) 5 + 0 = 5 (c) 4 + 1 = 5
(a) 4 10 2. (a) 6 (b) 8 (c) 2 (d) 5
(b) 11 19 3. (e) 3 (f) 6 (c) 5 + 1 = 6; 1 + 5 = 6
(b) 3 + 2 = 5; 2 + 3 = 5
(c) 7 16 (d) 1 + 6 = 7; 6 + 1 = 7
Practice time 2I Practice time 3I
1. (b) 11, 16, 17 (c) 10, 18, 19 1. 16 2. 15 3. 19 4. 17
2. (b) 19, 16, 10 (c) 20, 15, 8
3. (a) 10, 11, 12, 13, 14 (b) 13, 14, 15, 16, 17 Life Skills (Page 52)
(c) 15, 16, 17, 18, 19 `18
4. (a) 16, 15, 14, 13, 12 (b) 12, 11, 10, 9, 8 Challenge Question (Page 52)
(c) 14, 13, 12, 11, 10 1. (b) 2. 7 3. Yes

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