A COMPLETE NUMERACY PROGRAMME FOR PRIMARY SCHOOLS

A COMPLETE NUMERACY PROGRAMME FOR PRIMARY SCHOOLS 5th Class 2nd Textbook Class Textbook Answers Answers Let's Look Back Page 5 1. + 5 6 7 8 5 10 11 12 13 6 11 12 13 14 7 12 13 14 15 8 13 14 15 16 2. - 11 12 13 14 1 10 11 12 13 2 9 10 11 12 3 8 9 10 11 4 7 8 9 10 1. 58 2. 65 3. 89 4. 22 5. 14 6. 24 1. 10 2. 35 3. 55 4. 10 5. 86 6. 64 7. 26 8. 72 9. 58 1. 15, 16, 17 2. 20, 21, 22 3. 38, 39, 40 4. 18, 19, 20 5. 26, 27, 28 6. 47, 48, 49 Let's Look Back Page 6 1. 63, 64, 65 2. 72, 73, 74 3. 54, 55, 56 4. 85, 86, 87 5. 11, 12, 13 6. 28, 29, 30 7. 38, 39, 40 8. 40, 41, 42 Mon Tues Wed Thurs Fri Sat Sun 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 1. 14 2. 4 3. 31 F. Let's Look Back Page 7 1. longest 2. shortest 3. longer 4. shorter 5. longer 6. shorter 1. heavy, light 2. balanced 3. light, heavy 1. empty, <1l 2. full, 1l 3. full, >1l 4. full, >1l 5. full, >1l Let's Look Back Page 8 1. rectangle 2. semi-circle 3. square 4. triangle 5. circle 1. cube 2. cylinder 3. sphere 4. cuboid Let's Look Back Page 9 1. 46c 2. 33c 3. 28c 4. 50c 1. 40c 2. 10c 3. 15c 4. 20c 5. 0c 6. 5c 1. apple 2. banana 3. 3 4. 5 5. 2 6. 3 7. 10 Topic: Addition 1 Page 10 1. 7 + 3 = 10 2. 10 + 5 =15 3. 12 + 6 = 18 4. 9 + 5 = 14 5. 13 + 2 =15 6. 6 + 10= 16 7. 10 + 6 = 16 8. 4 + 12 = 16 9. 1 + 10 = 11 10. 6 + 14 = 20 11. 7 + 8 = 15 12. 10 + 0 = 10 there are 13 fish altogether. Topic: Addition 1 Page 11 1 + 5, 3 + 3, 2 + 4, 6 + 0 3 + 7, 5 + 5, 9 + 1, 6 + 4, 8 + 2 9 + 0, 5 + 4, 7 + 2, 6 + 3 10 + 2, 9 + 3, 8 + 4, 7 + 5 Topic: Addition 1 Page 12 1. 11 + 3, 12 + 5, 3 + 11, 10 + 1, 5 + 12 2. 6 + 5 + 1, 11 + 2, 4 + 5, 2 + 11, 1 + 6 +5 1. 6 + 2 = 8, 2 + 6 = 8 2. 3 + 7 = 10, 7 + 3 = 10 3. 1 + 9 = 10, 9 + 1 = 10 4. 10 + 1 = 11, 1 + 10 = 11 2. 11 3. 4 4. 7 5. 10 6. 14 7. 12 8. 2 9. 3 10. 7 1. 3 + 9 = 9 + 3 2. 6 + 7 = 7 + 6 3. 8 + 4 = 4 + 8 4. 5 +11 = 11 + 5 5. 9 + 2 = 2 + 9 6. 0 + 10 = 10 + 0 Topic: Addition 1 Page 13 1. 1 + 2 + 3 = 6 2. 4 + 4 + 5 = 13 3. 2 + 4 + 7 = 13 4. 5 + 11 + 4 = 20 5. 3 + 2 + 1 = 6 6. 6 + 0 + 5 = 11 7. 7 + 6 + 7 = 20 8. 2 + 4 + 5 = 11 9. 0 + 6 + 7 = 13 Sample Answers:: 1. 3 + 4 + 6 = 13, 6 + 3 + 4 = 13, 4 + 6 + 3 = 13 2. 2 + 7 + 8 = 17, 2 + 8 + 7 = 17, 7 + 2 + 8 = 17 3. 9 + 1 + 3 = 13, 1 + 9 + 3 = 13, 3 + 1 + 9 = 13 4. 7 + 3 + 6 = 16, 3 + 6 + 7 = 16, 6 + 7 + 3 = 16 5. 5 + 8 + 2 = 15, 8 + 2 + 5 = 15, 2 + 5 + 8 = 15 6. 1 + 4 + 5 = 10, 5 + 4 + 1 = 10, 4 + 1 + 5 = 10 1. 6. 17 7. 12. 14 Topic: Subtraction 1 Page 14 1. + 4. 7. + 10. 2. + 5. 8. 11. 3. 6. 9. + 12. + 1. 6 2. 5 3. 5 4. 4 1. 10 2. 3 3. 15 4. 6 2. 4 4 = 0 3. 8 8 = 0 4. 5 5 = 0 5. 7 7 = 0 6. 9 9 = 0 Topic: Subtraction 1 Page 15 1. 5 2 = 3 2. 10 2 = 8 3. 18 8 = 10 4. 8 4 = 4 5. 12 3 = 9 6. 20 10 = 10 2. 35 cent 3. 20 cent 4. 10 cent 5. 25 cent 6. 30 cent Planet Maths Textbook Answers 2nd Class 219

2. 1 more 3. 4 more 4. 8 more 1. John 2. Kate 3. Tim and John 4. Kate, Tim; Tim, Alice Topic: Subtraction 1 Page 16 1. 2 litres 2. 9 years 1. round 1 James, round 2 James, round 3 Mia, round 4 Mia, round 5 Mia 2. 5 3. 4 4. 7 5. 1 6. 13 C 1. 5 2. 15 3. 11 4. 7 5. 20 6. 11 7. 14 8. 10 9. 22 Topic: Addition 2 Page 17 1. (3 + 1) + 4 = 8 2. (5 + 2) + 2 = 9 3. (1 + 5) + 5 = 11 1. 18 2. 16 3. 11 4. 20 5. 12 6. 7 2. 4 + ( 5+ 1) = 4 + 6 = 10 3. 7 +(4 + 6) = 7 + 10 = 17 4. 8 + (3 + 2) = 8 + 5 = 13 5. 5 + (7 + 1) = 5 +8 = 13 Topic: Addition 2 Page 18 1. (3+4) +2 = 9 2. 3 + (4+2) = 9 3. (4+5) + 1 = 10 4. 4 + (5+1) = 10 1. 14 2. 14 3.15 4. 14 5. 14 6. 15 Topic: Subtraction 2 Page 19 1. 12 2. 16 3. 18 4. 14 1. 7 2. 2 3. 6 4. 10 1. 5 2. 10 3. 9 4. 20 5. 7 6. 4 7. 8 8. 3 9. 8 1. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 2. 2, 4, 6, 8, 10, 12, 14, 16, 18, 20 Topic: Subtraction 2 Page 20 1. 9 2. 5 3. 0 4. 4 5. 0 6. 17 1. 22c 2. 39c 3. 17c 4. 44c 1. 2 2. 2 3. 8 4. 8 5. 6 6. 6 Topic: Subtraction 2 Page 21 7 + 7 = 14, 10 + 10 = 20, 4 + 4 = 8, 8 + 8 = 16, 3 + 3 = 6, 6 + 6 = 12, 5 + 5 = 10 2. 3 + 4 = 7 4 + 3 = 7 7 3 = 4 7 4 = 3 3. 5 + 3 = 8 3 + 5 = 8 8 5 = 3 8 3 = 5 4. 8 + 2 = 10 2 + 8 = 10 10 8 = 2 10 2 = 8 1. 2. 12, 13 3. 13, 1 Topic: Place Value 1 Page 22 4 3 1. 7 coins 2. 10 coins Topic: Place Value 1 Page 23 1. 50 2. 40 1. 9 tens, 5 units 2. 4 tens, 3 units 1. 6, 3 2. 3, 3 3. 7, 2 4. 1, 0 5. 4, 6 6. 5, 8 7. 9, 1 8. 0, 6 9. 5, 4 10. 2, 9 1. 20 2. 30 3. 40 4. 50 Topic: Place Value 1 Page 24 1. 47 2. 81 3. 18 4. 23 2. 12 1 ten and 2 units 3. 39 3 tens and 9 units 4. 87 8 tens and 7 units 5. 65 6 tens and 5 units 6. 23 2 tens and 3 units 7. 47 4 tens and 7 units 8. 54 5 tens and 4 units 9. 72 7 tens and 2 units 10. 91 9 tens and 1 unit 11. 4 0 tens and 4 units 12. 19 1 ten and 9 units 1. 5 tens and 3 units 2. 34 3. 3 tens and 2 units 4. 5 tens and 1 unit Topic: Algebra 1 Page 25 1. 6 2. 8 3. 10 4. 8 5. 12 6. 12 1. 12, 2s 2. 28, 4s 3. 20, 4s 4. 24, 2s 5. 20, 2s 6. 28, 4s 1. 20, 18, 16, 14, 12, 10, 8, 6, 4, 2 2. 28, 24, 20, 16, 12, 8, 4 Topic: Algebra 1 Page 26 1. 3, 6, 9, 12, 15, 18, 21 2. 6, 12, 18, 24, 30, 36, 42 1. 3 stools 9 legs 2 stools 6 legs 2. 3 milkshakes 18 straws 2 milkshakes 12 straws 3. 4 tricycles 12 wheels 6 tricycles 18 wheels 4. 4 cartons 24 eggs 5 cartons 30 eggs 1. 6, 6s 2. 3, 3s Topic: Algebra 1 Page 27 Buzzing Bee landed on 4 flowers altogether. 1. 15 2. 30 3. 35 4. 40 5. 10 6. 2 1. 40c 2. 25c 3. 55c 4. 15c 5. 80c Mental Maths 1 Page 28 1. 6 2. 8 3. 30c 4. 13 5. 8 6. near double 7. 9c, 9c 8. 9. 70 10. 35c 1. 6 2. 7 3. 7 4. 19 5. 16 6. 93 7. 20 8. 20 9. 16, 22 10. 8 tens and 6 units Topic: Tables 1 Page 29 1. 2 + 7 = 9 = 7 + 2 = 9 2. 4 + 2 = 6 = 2 + 4 = 6 3. 4 + 6 = 10 = 6 + 4 = 10 4. 8 + 2 = 10 = 2 + 8 = 10 5. 3 + 7 = 10 = 7 + 3 = 10 6. 9 + 1 = 10 = 1 + 9 = 10 7. 2 + 5 = 7 = 5 + 2 = 7 8. 2 + 6 = 8 = 6 + 2 = 8 9. 8 + 1 = 9 = 1 + 8 = 9 10. 6 + 1 = 7 = 1 + 6 =7 220 Planet Maths Textbook Answers 2nd Class

The Classroom Pages 30 and 31 1. 2 + 7 = 9 2. 2 + 6 + 2 = 10 3. 2 + 7 + 2 = 11 4. true, true, false, false 5. 5 6. 4 7. 8. rectangle, triangle, square Topic: Problem-Solving 1 Page 32 1. 4 2. 1.85 3. 10 o'clock 4. Tuesday 5. 5 hours 6. 90c 7. 1.90 8. 70c 9. Topic: 2D Shapes Page 33 2. triangle 12, square 4, rectangle 6, circle 5 14 Topic: 2D Shapes Page 34 square: 4, yes, 4 rectangle: 4, no, 4 circle: 1, 0 semi-circle2, no, 2 oval: 1, 0 triangle: 3, yes, 3 1. triangles 2. rectangles 3. squares 4. triangles 5. square 6. semi-circle 12 Topic: Corners Page 35 E, F, T, L, H, R, G Topic: Corners Page 36 1. F 2. T 3. F 4. T 5. F 6. T 2. 3. D 1. F 2. F 3. F 4. F Topic: Comparing and Ordering 1 Page 37 1. > 2. < 3. > 4. < 5. > 1. < 2. > 3. = 4. > 5. = 6. < 1. > 2. > 3. > 4. < 5. < 6. = 7. = 8. > 1. < 2. = 3. > 4. > 5. < 6. = F. Topic: Comparing and Ordering 1 Page 38 1. > 4. < 7. = 10. = 2. < 5. > 8. < 11. > <5: 0, 1, 2, 3, 4 =5: 5 >5: 6, 7, 8, 9, 10 3. > 6. = 9. < 12. = Topic: Comparing and Ordering 1 Page 39 2nd, 9th, 4th, 6th, 7th, 1st, 8th, 3rd, 5th blue, green, orange, pink, yellow, red 1, 2, 3, 5, 7, 9, 11, 13, 15, 16, 20, 24, 36, 40 Mental Maths 2 Page 40 1. third shape red 2. 4, 3, 2, 1 or 5 3. 40 4. 6 5. May 6. 7. < 8. 16, 20 9. corners, side 10. 3rd 1. 2 tens and 4 units 2. 4 3. 4. = 5. 1, 2, 4, 7, 9, 10 6. 24 7. 8. September 9. 0, 1, 2, 3, 4 10. Topic: Quick Sums 1 Page 41 1. 8 2. 16 3. 18 4. 34 5. 13 6. 21 7. 53 8. 64 9. 23 10. 31 11. 40 12. 65 13. 34 14. 53 15. 14 16. 43 1. 43 2. 50 3. 81 4. 63 5. 61 6. 30 1. 12 2. 18 3. 2 4. 17 5. 57 6. 74 7. 38 8. 30 9. 80 10. 80 11. 95 12. 28 13. 99 14. 44 15. 42 Topic: Problem-Solving 2 Page 42 1. carpenter metres and centimetres driver kilometres smoothie maker litres and millilitres banker euro and cents 2. 1 person was going to St. Ives. 3. (a) 19 (b) 0 (c) 7 (d) 18 (e) 4 (f) 8 (g) 15 (h) 18 Topic: Time 1 Page 43 7, 4, 12, 29, 28, 31, 4 1. Monday 2. Wednesday 3. 31st 4. 24th 5. 21st 6. Thursday 7. 22nd August 8. 3rd August Topic: Time 1 Page 44 1. I get up out of bed. 2. I eat my breakfast. 3. I put on my coat. 4. I go to school. third, first, second 6, 2, 5, 1, 4, 3 Topic: Time 1 Page 45 4th Thursday 1st Monday 7th Sunday 3rd Wednesday 6th Saturday 2nd Tuesday 5th Friday 1. Wednesday 2. Saturday 3. Monday 4. Thursday 5. Sunday 6. Friday 1. Monday 2. football 3. Tuesday 4. Saturday 5. Wednesday 6. Sunday Topic: Time 1 Page 46 1. four 2. winter 3. spring 4. autumn Planet Maths Textbook Answers 2nd Class 221

5. summer 1. spring 2. autumn 3. winter 4. summer 1. autumn 2. spring 3. summer 4. winter 5. winter 6. summer 7. spring 8. autumn blue: February, March, April red: May, June, July green: August, September, October purple: November, December, January Topic: Time 1 Page 47 2nd February, 4th April, 5th May, 8th August, 12th December, 7th July, 1st January, 3rd March, 9th September, 6th June, 11th November, 10th October 1. January 2. December 3. November, December, January 4. May, June, July 5. September 6. November 7. March 8. April c. 1. September, April, June, November 2. January, March, May, July, August, October, December 3. (a) February (b) 29 (c) in a leap year Topic: Estimate and Count 1 Page 48 1. 14 apples 2. 20 balloons 3. 11 lollipops 4. 17 dots 5. 13 cars 6. 19 books 7. 9 houses 8. 16 rulers 1. 9 beads 2. 14 beads 3. 18 beads Topic: Estimate and Count 1 Page 49 1. 12 feet, 60 toes, 12 hands 2. 20 feet, 100 toes, 20 hands 1. 14 apples 2. 12 balls 3. 18 bananas 4. 20 beads 1. + 2. 3. 4. + 1. 8 2. 6 Topic: Addition 3 Page 50 1. 4 2. 9 3. 5 4. 2 5. 3 6. 1 7. 6 8. 10 1. 6 + 0 = 6 2. 0 + 6 = 6 1. 6 2. 1 3. 7 4. 5 5. 13 6. 8 7. 10 8. 18 9. 13 10. 4 11. 17 12. 11 13. 9 14. 12 15. 11 2. 0 3. 0 4. 8 5. 9 6. 0 7. 0 8. 0 Topic: Addition 3 Page 51 1. 40 2. 30 3. 50 4. 30 5. 40 6. 40 7. 50 8. 50 9. 30 1. 30 2. 20 3. 50 4. 50 5. 70 6. 70 7. 90 8. 90 1. 9 + 7 (9 + 1) + 6 10 + 6 = 16 2. 8 + 5 (8 + 2) + 3 10 + 3 = 13 3. 7 + 6 (7 + 3) + 3 10 + 3 = 13 Topic: Addition 3 Page 52 1. 19 2. 17 3. 19 4. 12 5. 19 6. 18 7. 19 8. 20 9. 19 10. 18 1. 18 2. 19 3. 15 4. 14 5. 20 6. 15 7. 20 8. 17 1. 19 2. 16 3. 20 4. 17 5. 17 6. 16 7. 19 8. 19 Mental Maths 3 Page 53 1. 4 seasons, 3 months 2. 14 balloons 3. 2 4. 5. 16 6. June 7. 2 8. 3, 4, 1, 2 9. 29 10. spring 1. Monday 2. December 3. 4. 4,1,3,2 5. 12 6. January 7. 3 and 7 8. March, 31 9. 39, 2 10. Tuesday Topic: Quick Sums 2 Page 54 1. 34 2. 24 3. 50 4. 54 5. 67 6. 87 7. 65 8. 43 9. 59 10. 90 11. 87 12. 91 1. 40 2. 35 3. 45 4. 53 5. 42 6. 75 7. 78 8. 77 9. 71 10. 76 11. 55 12. 74 13. 82 14. 81 15. 62 Topic: Problem-Solving 3 Page 55 1. 50c 2. 30 minutes 3. 50c 4. 25 minutes 5. once 6. big dipper 7. 4 8. 8 9. 10. 11. The Fairground Pages 56 and 57 1. 5 + 4 + 7 = 16 2. 6 + 4 + 2 = 12 3. true, false, false 4. cylinder, cube, sphere 5. 8c + 12c + 4c = 24c 6. 6c + 10c + 3c = 19c 7. Topic: Subtraction 3 Page 58 1. 43 > 27 2. 22 < 37 3. 31 > 30 4. 35 > 26 5. 37 < 39 6. 20 < 40 7. 20 < 23 8. 50 > 9 9. 50 > 40 1. 31 > 12 2. 25 < 54 3. 42 > 34 4. 53 < 64 Topic: Subtraction 3 Page 59 1. 10 4 = 6 2. 15 3 = 12 3. 18 5 = 13 4. 16 5 = 11 5. 14 4 = 10 6. 11 2 = 9 1. 8 2. 6 3. 11 Topic: Subtraction 3 Page 60 27 13 = 14, 98 18 = 80, 64 23 = 41 Topic: Place Value 2 Page 61 B 2. 33 3. 44 4. 31 1. 25 or 26 2. 40 or 64 3. 30 or 21 4. 20 or 30 Topic: Place Value 2 Page 62 3 1. 2 2. 4 1. 5 2. 9 Topic: Place Value 2 Page 63 1. 1 hundred, 2 tens 2. 1 hundred, 4 tens 3. 1 hundred, 0 tens 222 Planet Maths Textbook Answers 2nd Class

4. 1 hundred, 9 tens 5. 1 hundred, 1 ten 1. 1 hundred, 2 tens, 3 units 2. 1 hundred, 4 tens, 5 units Topic: Symmetry Page 64 Topic: Symmetry Page 65 A. 1. green: triangle 2. yellow: square, hour glass, diamond 3. red: speech bubble Topic: Symmetry Page 66 Topic: Fractions Page 67 1 1. (a) 4 (b) 4 (c) (e) 2. (a) 4 (b) (c) 3 4 6, 3 (d) 1 4 (e) 8, 2 Topic: Fractions Page 68 Quarters: 1. 1 2. 4 3. 6 4. 7 5. 8 1. 3 4 2. 1 4 3. 1 2 4. 1 2 5. 3 4 6. 1 4 7. 1 2 Topic: Fractions Page 69 1. 10cm 2. 10 cent 3. 16cm 4. 12cm 5. 20 cent 6. 18cm 4 1 4 1. 1 2 2. 3 4 3. 4 4 4. equal 1. 12cm long 2. 6 cm 3. 3cm 4. 9cm 5. 5cm Topic: Fractions Page 70 1. (a) 4 (b) 2 (c) 6 (d) 4 2. (a) 16 (b) 8 (c) 4 (d) 12 1. 8c 2. 4c 3. 2c 4. 6c 1. 1 4 2. 1 2 3. 1 4 Mental Maths 4 Page 71 1. 5 2. 2 3. 1 4 4. 1 4 5. 31 6. 24 7. A 8. 70 9. 10. 6cm long, 3cm long 1. 4 squares, 2 squares 2. 3c 3. False 4. 5. 3 6. 5 7. 18cm 8. 1H, 0T, 0U 9. 10. 40 Topic: Quick Sums 3 Page 72 1. 12 2. 14 3. 15 4. 44 5. 4 6. 21 7. 4 8. 17 9. 17 10. 17 11. 19 12. 13 13. 15 14. 18 15. 33 16. 18 17. 19 18. 10 19. 17 20. 11 21. 16 22. 22 23. 11 24. 32 25. 13 26. 23 27. 18 28. 35 Topic: Problem-Solving 4 Page 73 1. (a) 84 (b) 54 (c) 10 2. 20 3. (a) 11 (b) 9 4. the two triangles Topic: Comparing and Ordering 2 Page 74 1st Western 2nd Albion 3rd Rovers 4th United 5th City 6th F. 7th Athletic 8th Town 9th County 10th Stars 1st red 2nd orange 3rd yellow 4th green 5th blue 6th indigo 7th violet Topic: Comparing and Ordering 2 Page 75 Learning to order is so much fun! blue circle Saturday yellow star Monday red triangle Wednesday green square Tuesday Topic: Money 1 Page 76 1. 1.63 2. 65c 3. 37c 4. 51c 5. 61c 1. 20c + 5c 2. 10c + 10c + 5c 3. 10c+ 5c + 5c + 5c 4. 5c + 5c + 5c + 5c + 5c Sample Answers: 1. 20 + 10 2. 20 + 5 + 5 3. 20 + 5 + 2 + 2 + 1 4. 10 + 10 + 10 etc. Topic: Money 1 Page 77 1. 2 2. 1 3. 20c 4. 50c 5. 10c 6. 5c 7. 1c 8. 5c Sample Answers: 1. 1, 50c, 20c, 5c 2. 50c, 20c, 2c 3. 50c, 20c, 10c, 5c, 2c, 2c 4. 1, 20c, 10c, 2c, 2c 5. 1, 20c, 20c, 1c Sample Answers: 1. 1, 1, 2. 1, 50c, 50c, 3. 1, 50c, 20c, 20c, 10c, 4. 1, 20c, 20c, 20c, 20c, 20c, Topic: Money 1 Page 78 1. 98c 2. 75c 3. 48c 4. 63c 5. 21c 1. 27c + 27c = 54c 2. 38c + 38c = 76c 3. 16c + 16c = 32c 4. 10c + 10c + 10c = 30c 5. 27c + 27c + 27c = 81c 6. 27c + 27c + 25c = 79c 7. 27c + 27c + 38c = 92c Planet Maths Textbook Answers 2nd Class 223

Sample Answers: 1. 10 + 5 + 2 2. 10 + 5 + 1 3. 10 + 2+ 1 4. 5 + 2 + 1 5. 10 + 2 + 2 6. 10 + 1 + 1 7. 5 + 2 + 2 8. 5 + 1 + 1 Topic: Money 1 Page 79 1. true 2. true 3. false 4. false 5. true 1. 60c 2. 30c 3. bun and chocolate 4. sweets 5. (a) 1.30 (b) 1, 20c, 10c Topic: Money 1 Page 80 1. 1.62 2. 1.35 3. 1.27 4. 1.00 5. 1.20 B 1. (a) 10c, 20c, 1, 50c, 5c (b) 1.85 2. (a) there are two possible combinations: 50c, 10c, 20c, 10c, 50c, 20c 20c, 50c, 10c, 20c, 10c, 50c (b) 1.60 C 1. 45c 2. 1.25 3. 92c 4. 8c 5. 1.33 6. 61c Topic: Counting and 100 Square Page 81 1. 7 2. 12 3. 1 4. 20 5. 30 6. 89 1. 6 2. 11 3. 33 4. 26 5. 2 6. 98 1. 9, 14, 20, 37, 48 2. 140, 100, 96, 24, 11, 5 3. 9, 12, 34, 98, 107, 150 4. 98, 50, 41, 23, 7, 4, 2 Topic: Counting and 100 Square Page 82 Topic: Addition 4 Page 83 Doubles: 1, 3, 5, 7, 9 Colour 4+3, 5+6, 7+8, 2+3 1. 16 2. 18 3. 12 4. 18 5. 14 6. 14 7. 18 8. 10 9. 12 Topic: Addition 4 Page 84 1. 2 + 3 = 5 2. 4 + 3 = 7 3. 5 + 3 = 8 1. 5 + 10 = 15 2. 13 + 7 = 20 3. 8 + 21 = 29 4. 31 + 25 = 56 5. 3 + 57 = 60 6. 22 + 3 = 25 Topic: Addition 4 Page 85 clowns (3 + 3 = 6) elephants (5 + 1 = 6) or (3 + 3 = 6) bicycles (1 + 1 = 2) the band (5 + 2 = 7) 1. 19 2. 17 3. 15 4. 20 Topic: Rounding Page 86 16 20 7 10 32 30 19 20 78 80 54 50 91 90 23 20 14 10 45 50 Topic: Subtraction 4 Page 87 39 9 30 10 61 49 60 50 53 27 50 30 19 9 20 10 1. 10 7 = 3, 10 5 2 = 3 2. 10 6 = 4, 10 4 2 = 4 3. 10 8 = 2, 10 5 3 = 2 4. 10 5 = 5, 10 5 0 = 5 1. 7 2. 18 3. 23 4. 23 5. 32 6. 46 7. 49 8. 21 1. 13 2. 52 3. 23 4. 50 5. 35 6. 31 7. 66 Mental Maths 5 Page 88 1. C 2. 40 3. 54 4. 40c 5. 3 + 5 = 8 6. 39 7. 8. 4, 5, 6 9. 6 10. 1. subtract 2. 5c, 2c, 1c 3. 4. 60 5. 97,98 6. Junior Infants 7. 8. 11c 9. 103,104,106 10. 11 7=4 Topic: Quick Sums 4 Page 89 1. 4 2. 12 3. 2 4. 10 5. 6 6. 14 7. 16 8. 20 1. 12 2. 8 3. 6 4. 20 5. 4 6. 10 1. 2, 4 2. 4, 8 3. 6, 12 4. 8, 16 5. 10, 20 1. 20 2. 40 3. 60 4. 20 5. 40 6. 60 1. 80 2. 100 3. 16 4. 80 5. 100 6. 18 F. 1. 24 2. 23 3. 25 4. 27 5. 29 6. 28 7. 22 8. 21 9. 20 The Street Pages 90 and 91 1. 7 + 2 + 2 = 11 2. 4 + 9 + 2 = 15 3. 9 + 9 + 9 = 27 4. 6c + 10c = 16c 5. 16c + 30c = 46c 6. 5c 7. 12c 8. cubes = 3, cylinders =5 9. triangle, circle Topic: Problen-Solving 5 Page 92 Topic: Place Value 3 Page 93 1. 1 hundred 1 ten 5 units (115) 2. 1 hundred, 1 ten, 9 units (119) 3. 1 hundred, 5 tens, 1 unit (151) Topic: Place Value 3 Page 94 1, 37, 45, 63, 112, 189 1. 124 2. 131 3. 119 2. 1 (142) 3. 171 4. 1 (125) 5. 0 (106) Topic: Weight Page 95 1. rubber 2. apple 3. book 4. cheese 5. toy car 6. pepper 1. heavier 2. lighter 3. heavier 4. lighter 5. lighter Topic: Weight Page 96 1. true 2. false 3. false 4. true 5. true B - 1 E 50c F - 2 1. A and F 2. C and E 3. C and E 4. B and D 5. 1kg 6. A and F 7. C and E 8. 1.50 Topic: Weight Page 97 1. true 2. true 3. false 4. true 5. false 1. tea, cornflakes and sugar 224 Planet Maths Textbook Answers 2nd Class

2. tea, sweets or sugar, tea (multiple answers) 3. tea, cornflakes 4. sugar 5. sweets 1. C 2. A 1. 2kg 2. 7kg 3. 6kg Topic: Weight Page 98 A. true 2, 3, 1, 4 Topic: Time 2 Page 99 1. 8:30 2. 6:00 3. 5:30 4. 9:00 5. 1:30 6. 6:00 7. 11:30 8. 2:00 9. 8:30 10. 11:00 11. 3:00 12. 12:00 1. 5:30 2. 1:00 3. 9:30 4. 2:30 5.10:30 6. 4:00 7. 11:00 8. 6:30 Topic: Time 2 Page 100 1. 60 2. 15 3. 30 4. 45 5. 12 6. 3 7. 6 8. 9 1. 4:00 2. 7:00 3. 12:00 4. 5:00 5. 3:00 6. 8:00 Topic: Time 2 Page 101 3:30, 2:30, 8:30, 10:30, 6:30, 12:30, 9:30, 5:30, 1:30, 4:30, 11:30, 7:30 1. 4:00 2. 7:00 3. 12:00 4. 5:00 5. 3:00 6. 8:00 Topic: Time 2 Page 102 1. 9:00 2. 4:30 3. 12:00 4. 8.30 5. 5:30 1. 24 2. 7 3. 35 4. 9 5. 12 6. 6 1. 25th December 2. 14th February 3. 1st April 4. 1st January 5. 17th March 6. 24th December 1. 7:45 2. 9:30 3. 1:00 4. 4:30 5. 8:15 Topic: Time 2 Page 103 1. alarm 2. watch 3. digital clock 4. sundial 5. sun 1. second 2. hour 3. week 4. year 5. minute 6. day 7. month 1. hours 2. minutes 3. months/days 4. days/weeks 5. days/ weeks 6. hours/minutes Topic: Spatial Awareness Page 104 1. true 2. false 3. true 4. true 5. false Topic: Spatial Awareness Page 105 1. true 2. false 3. true 4. true 5. false 1. bull 2. cow 3. owl 4. owl 5. hen 6. fish Topic: 3D Shapes Page 106 1. cuboid 2. cylinder 3. cone 4. cube 5. sphere 1. no, yes, yes 2. no, yes, yes 3. yes, yes, yes 4. yes, yes, no 5. yes, no, no Topic: 3D Shapes Page 107 1. 6, 12, 8, square 2. 6, 12, 8, square, rectangle 3. 3, 2, 1, circle, rectangle 4. 1, 0, 0 5. 2, 1, 0, circle 1. 2 2. 4 3. 2 4. 6 5. cubes, cuboids, cylinders, cones Mental Maths 6 Page 108 1. 20 2. 8 3. Friday 4. 119 5. 1 2, 8 6. 8 7. rectangle, circle 9. 161 10. sphere 1. 7 2. 26 3. 2 4. colour 3 cars 5. 19 + 12 = 31 7. 23rd 8. 6 9. = Topic: Tables 2 Page 109 1. 9 + 6 = 10 + 6 1 = 15 2. 9 + 4 = 10 + 4 1 = 13 3. 9 + 3 = 10 + 3 1 = 12 4. 9 + 8 = 10 + 8 1 = 17 5. 9 + 5 = 10 + 5 1 = 14 6. 9 + 2 = 10 + 2 1 = 11 7. 9 + 1 = 10 + 1 1 = 10 8. 9 + 9 = 10 + 9 1 = 18 1. 10 2. 11 3. 10 4. 10 5. 10 6. 10 7. 19 8. 18 9. 14 10. 8 11. 15 12. 9 13. 12 14. 17 15. 13 Toic: Problem-Solving 6 Page 110 1. shape curved flat faces faces edges corners cone 1 1 1 0 sphere 1 0 0 0 cube 0 6 12 8 cuboid 0 6 12 8 cylinder 1 2 2 0 2. I slide: cube, cuboid, cylinder, cone I roll: cylinder, cone, sphere Topic: Estimate and Count 2 Page 111 1. 33, 34, 35 2. 15, 16, 17, 18 Topic: Estimate and Count Page 112 2. 7 8 3. 8 9 4. 10 11 5. 13 14 6. 9 10 Topic: Addition 5 Page 113 1. 3 7 2. 57 3. 47 4. 68 5. 49 6. 87 7. 66 8. 78 9. 78 10. 99 11. 99 12. 98 1. bottom right square: 49 2. bottom right square: 29 3. bottom right square: 37 1. 79 2. 75 3. 99 4. 84 Planet Maths Textbook Answers 2nd Class 225

1. 78 2. 89 3. 98 4. 99 Topic: Subtraction 5 Page 114 5 1. 2. 3. 12 1. 2. 3. 15 1. 45 2. 48 3. 23 4. 17 5. 9 6. 26 7. 48 8. 28 Topic: Subtraction 5 Page 115 1. 13 2. 24 3. 31 4. 45 1. 23 2. 73 3. 43 4. 86 5. 53 6. 25 7. 62 8. 29 1. 33 2. 59 3. 43 4. 32 5. 44 6. 36 Topic: Subtraction 5 Page 116 1. (20 5) + 11 = 26 2. (4 2) + 6 = 8 3. (16 7) + 4 = 13 4. (23 16) 1 = 6 5. (48 20) + 17 = 45 6. (32 11) + 2 = 23 Topic: Place Value 4 Page 117 1. I made 2. 2. I made 1. I had 9 coins left over 3. I made 2. I had 5 coins left over. Topic: Place Value 4 Page 118 1. 46 2. 64 3. 77 4. 98 5. 88 6. 35 7. 68 8. 62 9. 94 10. 93 11. 90 12. 45 1. 54 2. 12 3. 12 4. 22 5. 42 6. 13 7. 21 8. 19 9. 28 10. 10 11. 29 12. 19 Topic: Area 1 Page 119 1. table 2. bed 3. clock Topic: Area 1 Page 120 1. true 2. false 3. false 4. true 5. true Topic: Length Page 121 Topic: Length Page 122 1. card 2. computer, chair, horse 3. clock, tree Topic: Length Page 123 1. 100 2. 4 3. 50 4. 2 5. 25 Topic: Length Page 124 1. true 2. false 3. true 4. true 5. false A: 2cm B: 3cm C: 1cm D: 4cm 1. D 2. C 3. 2cm 4. 2cm 1. cm 2. m 3. m 4. cm 5. cm 6. m 7. m 1. 100 2. 2 3. 1 2 4. 25 5. 4 6. 1 4 Mental Maths 7 Page 125 1. 45 2. 3. 20 4. 5. January 7. 17 8. 61c 9. 1 hundred 3 tens 8 units 1. 99 2. true 3. 7:30 4. 17 5. triangle 6. 1 4 kg, 1 2 kg, 1kg 7. 15 8. 15 9. 1.50 10. 92 Topic: Quick Sums 5 Page 126 1. 11 2. 21 3. 35 4. 61 5. 11 6. 63 7. 62 8. 15 9. 32 10. 81 11. 45 12. 12 13. 34 14. 33 15. 3 16. 77 17. 61 18. 51 1. 16 2. 7 3. 30 4. 41 5. 23 6. 65 7. 18 8. 11 9. 72 10. 12 11. 40 12. 11 13. 43 14. 73 15. 65 16. 24 17. 66 18. 73 1. 18 2. 29 3. 79 4. 57 5. 47 6. 39 7. 29 8. 9 9. 28 10. 38 11. 9 12. 19 13. 28 14. 54 1. 8 2. 8 3. 28 4. 25 5. 25 6. 29 7. 39 8. 58 9. 16 10. 19 11. 19 12. 37 13. 56 14. 43 Topic: Problem-Solving 7 Page 127 David's Birthday Pages 128 and 129 1. right 2. left 3. 18 4. 1kg 5. 28 6. circle 7. cone 8. 9 9. 12 11. cuboid 12. half past 2 13. apple Topic: Algebra 2 Page 130 1. 40, 60, 70, 90 2. there are 10 tens in 100. 1. 9 packs 2. 7 packs 3. 5 packs 4. 8 packs 1. 15, 25, 30, 45, 50 2. 21, 35, 56, 63, 77 Topic: Algebra 2 Page 131 5s, 10s, 3s 1. 2. 3. (a) 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 60, 64, 68, 72, 76, 80, 84, 88, 92, 96, 100 3. (b) 4s 1. 2. 3. (a) 17 (b) 19 (c) 10 (d) 1 (e) 4 (f) 74 4. 3rd 226 Planet Maths Textbook Answers 2nd Class

Topic: Capacity Page 132 1. swimming pool 2. cup 3. jug, bucket or cup 4. fish tank, bucket (multiple answers) Topic: Capacity Page 133 1. false 2. true 3. true 4. false 5. true 1. ml 2. l 3. l 4. l 5. ml/l 6. ml/l 7. l Topic: Capacity Page 134 1l, 1 4 l, 1 1 2 l, 3 4 l 1. 1 2 l 2. 1 1 2 l 3. 3 4 l 4. 1 4 l Topic: Capacity Page 135 bucket cup 1. 2 2. 4 3. 2 1. 4 2. 2 3. 1 2 l 4. 2 5. milk and cola 1 4, 1 2, 3 4, 1, 1 1 2, 1 3 4 Topic: Addition 6 Page 136 1. 78 2. 65 3. 41 4. 92 1. 30 2. 20 3. 30 4. 40 5. 20 6. 40 7. 50 8. 30 9. 80 Topic: Addition 6 Page 137 1. 24 2. 32 3. 44 4. 43 5. 27 1. 82 2. 90 3. 75 4. 91 5. 92 6. 81 7. 84 8. 73 9. 92 10. 92 11. 90 12. 76 1. 77 2. 84 3. 98 4. 86 5. 74 6. 74 Topic: Addition 6 Page 138 1. 23 2. 33 3. 51 4. 50 5. 34 6. 60 7. 24 8. 84 9. 37 10. 60 11. 37 12. 43 1. 47 2. 63, 3. 92 4. 75 5. 91 6. 51 7. 93 8. 88 9. 87 10. 94 11. 83 12. 97 13. 61 14. 96 15. 80 16. 90 code: you can add with renaming 1. 7 tens 3 units 2. 8 tens + 7 units or 7 tens and 17 units Topic: Area 2 Page 139 A. 1. true 2. false 3. true 4. false 5. true not good to measure with lunch boxes as not a standard size or shape. Topic: Area 2 Page 140 1. true 2. false 3. true 4. false 32 greater Mental Maths 8 Page 141 1. 10 2. cylinder 3. 1 4. 30c 5. 12 6. 23 7. 24 8. car 9. Circle 6 pencils 10. 68 2. 12l 3. 1, 20c, 20c, 1c 4. 17 5. 6. 1 7. 76c 8. summer 9. < 10. 12:30 Topic: Quick Sums 6 Page 142 1. even, even, odd 2. odd, even, even, odd 3. odd, odd, even, even 1. 14 15 12 2. 14 15 11 3. 13 10 10 4. 10 16 19 5. 14 18 20 6. 22 24 19 7. 10 14 16 8. 26 13 14 Topic: Problem-Solving 8 Page 143 1. 8 2. 8km 3. 27c 4. 3 dogs; 4 animals 5. 20 6. 5 7. 1.75 8. 19 9. 56 Snakes and Ladders Pages 144 and 145 Topic: Data Page 146 1. 8 2. 4 3. 6 4. 18 5. 6 6. 6 7. 6 8. 4 9. 3 10. 2 Topic: Data Page 147 1. 3 2. 11 3. 13 4. 18 1. apple 2. cherry 3. 20 4. orange 5. 6 6. 1 7. 6 8. 6 9. 11 Topic: Data Page 148 1. 10 2. 15 3. 17 4. 22 5. 16 1. Paul 2. John 3. 4 4. 14 5. 4 6. 20 7. 30 8. 44 Topic: Data Page 149 1. 2 2. 17 3. 10 4. 4 5. 6 1. hurling 2. tennis 3. 25 4. hurling 5. 6 6. 8 7. 13 8. 17 Topic: Money 2 Page 150 1. 185c 2. 169c 3. 74c 4. 200c 5. 132c 6. 8c 7. 143c 8. 151c 1. 0. 14 2. 1. 57 3. 0. 42 4. 0. 74 5. 1. 29 6. 0. 01 7. 2. 00 8. 1. 08 1. 0. 65 2. 0. 26 3. 0. 73 4. 0. 39 5. 1. 27 6. 19c or 0. 19 7. 0. 99 or 99c Topic: Money 2 Page 151 1. true 2. false 3. true 4. true 1. (a) 131c (b) 90c (c) 189c (d) 18c (e) 98c (f) 116c (g) 200c 2. skirt 1. 31 dress 0. 90 coat 1. 89 hat 0. 18 scarf 0.98 top 1. 16 trousers 2 1. 20 2. 5 Topic: Money 2 Page 152 1. 106c 2. 163c 3. 180c 4. 200c Planet Maths Textbook Answers 2nd Class 227

5. 147c 6. 152c 1. Jean 0. 90, Beth 0. 38, Jack 1. 34, Sue 1. 85, Jim 1. 81, Tom 1. 65 2. 0. 95 3. 4. 05 4. 0. 60 5. 1. 15 6. 1. 62 1. (a) 1.88 or 188c (b) 12c or 0.12 2. (a) No (b) 9c or 0.09 Topic: Money 2 Page 153 1. false 2. true 3. true 4. false 5. false 1. 10c, 2c 2. 1, 10c, 5c 3. 10c, 5c, 2c 4. 50c, 50c, 5c, 2c, 1c 5. 1, 5c, 5c, 5c, 1c, 50c, 50c, 10c, 5c, 1c 6. 50c, 10c, 2c 7. 20c, 20c, 20c, 20c, 20c, 5c, 1c 8. 50c, 50c, 10c, 5c, 2c, 1c 9. 20c, 5c, 5c, 5c, 5c, 5c, 5c, 5c, 5c, 5c, 10c, 10c, 10c, 10c, 10c, 10c, 2c, 1c, 1c, 1c 10. 50c, 20c, 20c, 20c, 20c, 20c, 5c, 2c, 1c 1. 20c, 20c, 5c 2. 20c, 10c, 10c, 5c 3. 20c,10c, 5c, 5c, 5c 4. 20c, 5c, 5c, 5c, 5c, 5c 5. 10c, 10c, 5c, 5c, 5c, 5c, 5c 6. 10c, 5c, 5c, 5c, 5c, 5c, 5c, 5c 7. 5c, 5c, 5c, 5c, 5c, 5c, 5c, 5c, 5c 8. 10c, 10c, 10c, 5c, 5c, 5c Topic: Money 2 Page 154 25c, 180c, 10c 1. 161c 2. 48c 3. 173c 4. 2c 5. 190c 6. 127c 7. 15c 8. 159c 1. 0.04 2. 1.76 3. 0.51 4. 1.97 5. 1.82 6. 0.01 7. 1 8. 1.38 1. 0. 54 2. 1.42 3. 0. 06 4. 0. 27 5. 0. 69 6. 1. 01 1. 165c 2. 0. 71 3. 139c 4. 1. 04 5. 7c 6. 0. 53 7. 70c 8. 0. 92 9. 121c Mental Maths 9 Page 155 1. 5 2. 3. Monday 4. 6 faces 5. colour 8 stars 6. 1. 62 7. pencil 8. 169c 9. 4 10. 6cm 1. 20, 17, 11, 8, 2 2. 0. 42 3. 4. 12 5. 7 7. 1. 76 8. 60c 9. 7 10. orange Mental Maths 10 Page 156 1. 7, 9, 11, 13 2. 12 3. 4 4. 63c 5. orange 8. 8 9. 20 10. cuboid 1. 1 hundred 7 tens 4 units 2. 31 3. 0, 4, 6, 9, 14, 20 4. 24 5. 7cm 6. 50 7. 145c 8. Yes 9. 12 10. 69 228 Planet Maths Textbook Answers 2nd Class