Page 210 - Math Genius C2

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Challenge Question (Page 168) Practice Time 11A
1. 1200 g, Yes 2. 4000 m = 4 km 1. (a) `192 (b) `375 (c) `820
Mental Maths (Page 169) 2. (a) `87 (b) `45 (c) `24
1. (a) 100 cm (b) 2 m (c) 1000 g (d) 500 g (e) 250 mL Practice Time 11B
(f) 500 mL 1. (b) ten (c) five (d) four
3. 5 cm 4. 200 cm 2. (a) `12 = `5 + `5 + `2, `5 + `5 + `1 + `1, `5 + `2 + `2 + `2 + `1, `2 + `2
Chapter 10. Time and Calendar + `2 + `2 + `2 + `2
Practice Time 10A (b) `15 = `5 + `5 + `5, `5 + `5 + `2 + `2 + `1, `5 + `2 + `2 + `2 + `2 +
1. (a) 3 o’clock, 3:00 (b) 4 o’clock, 4:00 `2, `5 + `5 + `2 + `1 + `1 + `1
(c) 1 o’clock, 1:00 (d) 10 o’clock, 10:00 Maths Connect (Page 190)
2. (a) 6:00 a.m. (b) 7:00 a.m. (c) 1:00 p.m. (d) 5:00 p.m. 1. (a) `150 (b) `50
(e) 8:00 p.m. (f) 9:00 p.m. 2. (a) `195 (b) `125 3. `345
Think Tank (Page 173) Practice Time 11C
5:30 a.m.
Practice Time 10B 1. (a) `239 (b) `200 2. (b) `25 (c) `2
3.
(b) `29
(c) `240
(d) `25
(a) `147
1. (a) half past 7, 7:30 (b) half past 9, 9:30 Chapter Assessment
(c) half past 4, 4:30 (d) half past 1, 1:30
3. (b) half past 5 (c) half past 6 (d) half past 11 1. (a) 2. (d) 3. (c)
Practice Time 10C 4. (a) `230, `110 (b) `379, `71
1. (a) 6:45 (b) 1:15 (c) 5:45 (d) 11:15 Challenge Question (Page 192)
Practice Time 10D
1. (a) Thursday (b) Tuesday (c) Friday (d) Sunday = `16
(e) Cricket (f) Sunday
2. Saturday and Sunday
3. (a) Thursday (b) Monday (c) Sunday (d) Tuesday = `14
4. (a) Saturday (b) Tuesday (c) Friday (d) Monday
Practice Time 10E = `30
1. (a) Friday (b) Tuesday (c) Saturday (d) Tuesday
(e) Sunday
2. Friday 3. 21 days = `17 = `20 = `23
Fast Check (Page 178) Mental Maths (Page 193)
1. April, June, September and November 1. Drawing book and eraser or glue and eraser 2. `50

2. January, March, May, July, August, October and December 3.
Think Tank (Page 178) Water colour and glue
1. June, August 2. Yes Chapter 12. Data Handling
Practice Time 10F GET READY!
1. (a) March (b) April (c) December (d) April 1. 12 2. 5 3. 11
(e) July (f) March (g) June
2. (a) Friday (b) Wednesday (c) 4 (d) 31 May Practice Time 12A
st
(e) 4 1. (a) 1 (b) 7 (c) 14
Mental Maths (Page 179) 2. (a) Thursday (b) Saturday (c) Monday and Sunday
1. 2 days 2. 7 hours 3. October 4. 30 minutes Practice Time 12B
Challenge Question (Page 180) 1. Frocks Shirts/T-shirts Sweaters Jackets Pants/Skirts
1. (a) 10:30 (b) 12:00 (c) 9:15 2 8 3 5 5
2. (a) SPRING (b) SUMMER (c) WINTER (d) AUTUMN
Practice Time 10G 2. Drawing Dancing Reading Watching TV Playing
1. (a) Rainy season (b) Winter season (c) Summer season 5 8 6 10 12
(d) Autumn season (a) Playing (b) Drawing (c) 8
2. (a) summer, hot (b) winter, cold (c) rainy, umbrella Mental Maths (Page 199)
(d) leaves, autumn (e) flowers, spring 1.
Chapter Assessment 6 2. 3 3. 19
1. (b) 2. (c) 3. (b) 4. (b) Chapter Assessment
5. (a) 2:30 (b) 9:15 (c) 6:45 (d) 12:30 1. Grey 2. White 3. 45 4. 2
7. (a) July (b) Saturday (c) 7 Maths Connect (Page 200)
Challenge Question (Page 184) 1. Tabla, Dholak 2. Veena, Violin
1. 12:10 p.m. 2. 6 hours 3. 9 hours
4. 1 hour 45 minutes 5. 15 minutes 6. 6:05 p.m Model Test Paper – 2
Chapter 11. Money 1. (b) 2. (c) 3. (a) 4. (b) 5. (b) 6. (b)
1
GET READY! 7. (b) 8. (b) 9. (c) 10. (b) 11. 4
1. `950 2. `500 3. `450 13. (a) sides = 3, corners = 3 (b) sides = 4, corners = 4
Think Tank (Page 187) (c) sides = 4, corners = 4
2. `110 = `50 + `50 + `10 14. `25
3. `147 = `50 + `50 + `20 + `20 + `5 + `2 15. (a) 30 (b) Bus (c) Car

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