A COMPLETE NUMERACY PROGRAMME FOR PRIMARY SCHOOLS

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1 A COMPLETE NUMERACY PROGRAMME FOR PRIMARY SCHOOLS 5th Class 2nd Textbook Class Textbook Answers Answers Let's Look Back Page , 16, , 21, , 39, , 19, , 27, , 48, 49 Let's Look Back Page , 64, , 73, , 55, , 86, , 12, , 29, , 39, , 41, 42 Mon Tues Wed Thurs Fri Sat Sun 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 c 2. 33c 3. 28c 4. 50c 1. 40c 2. 10c 3. 15c 4. 20c 5. 0c 6. 5c 1. apple 2. banana Topic: Addition 1 Page = = = = = = = = = = = = 10 there are 13 fish altogether. Topic: Addition 1 Page , 3 + 3, 2 + 4, , 5 + 5, 9 + 1, 6 + 4, , 5 + 4, 7 + 2, , 9 + 3, 8 + 4, Topic: Addition 1 Page , , , , , , 4 + 5, , = 8, = = 10, = = 10, = = 11, = = = = = = = Topic: Addition 1 Page = = = = = = = = = 13 Sample Answers:: = 13, = 13, = = 17, = 17, = = 13, = 13, = = 16, = 16, = = 15, = 15, = = 10, = 10, = Topic: Subtraction 1 Page = = = = = 0 Topic: Subtraction 1 Page = = = = = = cent cent cent cent cent Planet Maths Textbook Answers 2nd Class 219

2 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 litres 2. 9 years 1. round 1 James, round 2 James, round 3 Mia, round 4 Mia, round 5 Mia C Topic: Addition 2 Page (3 + 1) + 4 = 8 2. (5 + 2) + 2 = 9 3. (1 + 5) + 5 = ( 5+ 1) = = (4 + 6) = = (3 + 2) = = (7 + 1) = 5 +8 = 13 Topic: Addition 2 Page (3+4) +2 = (4+2) = 9 3. (4+5) + 1 = (5+1) = Topic: Subtraction 2 Page , 2, 3, 4, 5, 6, 7, 8, 9, , 4, 6, 8, 10, 12, 14, 16, 18, 20 Topic: Subtraction 2 Page c 2. 39c 3. 17c 4. 44c Topic: Subtraction 2 Page = 14, = 20, = 8, = 16, = 6, = 12, = = = = = = = = = = = = = , , 1 Topic: Place Value 1 Page coins coins Topic: Place Value 1 Page tens, 5 units 2. 4 tens, 3 units 1. 6, , , , , , , , , , Topic: Place Value 1 Page ten and 2 units tens and 9 units tens and 7 units tens and 5 units tens and 3 units tens and 7 units tens and 4 units tens and 2 units tens and 1 unit tens and 4 units ten and 9 units 1. 5 tens and 3 units tens and 2 units 4. 5 tens and 1 unit Topic: Algebra 1 Page , 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, , 24, 20, 16, 12, 8, 4 Topic: Algebra 1 Page , 6, 9, 12, 15, 18, , 12, 18, 24, 30, 36, 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 c 2. 25c 3. 55c 4. 15c 5. 80c Mental Maths 1 Page c near double 7. 9c, 9c c , tens and 6 units Topic: Tables 1 Page = 9 = = = 6 = = = 10 = = = 10 = = = 10 = = = 10 = = = 7 = = = 8 = = = 9 = = = 7 = =7 220 Planet Maths Textbook Answers 2nd Class

3 The Classroom Pages 30 and = = = true, true, false, false rectangle, triangle, square Topic: Problem-Solving 1 Page o'clock 4. Tuesday 5. 5 hours 6. 90c c 9. Topic: 2D Shapes Page 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 F 2. T 3. F 4. T 5. F 6. T D 1. F 2. F 3. F 4. F Topic: Comparing and Ordering 1 Page > 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 > 4. < 7. = 10. = 2. < 5. > 8. < 11. > <5: 0, 1, 2, 3, 4 =5: 5 >5: 6, 7, 8, 9, > 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 third shape red 2. 4, 3, 2, 1 or May < 8. 16, corners, side 10. 3rd 1. 2 tens and 4 units = 5. 1, 2, 4, 7, 9, September 9. 0, 1, 2, 3, Topic: Quick Sums 1 Page Topic: Problem-Solving 2 Page 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 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 four 2. winter 3. spring 4. autumn Planet Maths Textbook Answers 2nd Class 221

4 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 apples balloons lollipops dots cars books 7. 9 houses rulers 1. 9 beads beads beads Topic: Estimate and Count 1 Page feet, 60 toes, 12 hands feet, 100 toes, 20 hands apples balls bananas beads Topic: Addition 3 Page = = Topic: Addition 3 Page (9 + 1) = (8 + 2) = (7 + 3) = 13 Topic: Addition 3 Page Mental Maths 3 Page seasons, 3 months balloons June , 4, 1, spring 1. Monday 2. December ,1,3, January 7. 3 and 7 8. March, , Tuesday Topic: Quick Sums 2 Page Topic: Problem-Solving 3 Page c minutes 3. 50c minutes 5. once 6. big dipper The Fairground Pages 56 and = = true, false, false 4. cylinder, cube, sphere 5. 8c + 12c + 4c = 24c 6. 6c + 10c + 3c = 19c 7. Topic: Subtraction 3 Page > < > > < < < > > > < > < 64 Topic: Subtraction 3 Page = = = = = = Topic: Subtraction 3 Page = 14, = 80, = 41 Topic: Place Value 2 Page 61 B or or or or 30 Topic: Place Value 2 Page Topic: Place Value 2 Page hundred, 2 tens 2. 1 hundred, 4 tens 3. 1 hundred, 0 tens 222 Planet Maths Textbook Answers 2nd Class

5 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 (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: Topic: Fractions Page cm cent 3. 16cm 4. 12cm cent 6. 18cm equal 1. 12cm long 2. 6 cm 3. 3cm 4. 9cm 5. 5cm Topic: Fractions Page (a) 4 (b) 2 (c) 6 (d) 4 2. (a) 16 (b) 8 (c) 4 (d) c 2. 4c 3. 2c 4. 6c Mental Maths 4 Page A cm long, 3cm long 1. 4 squares, 2 squares 2. 3c 3. False cm 8. 1H, 0T, 0U Topic: Quick Sums 3 Page Topic: Problem-Solving 4 Page (a) 84 (b) 54 (c) (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 c 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: etc. Topic: Money 1 Page c 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 c 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

6 Sample Answers: Topic: Money 1 Page 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 B 1. (a) 10c, 20c, 1, 50c, 5c (b) (a) there are two possible combinations: 50c, 10c, 20c, 10c, 50c, 20c 20c, 50c, 10c, 20c, 10c, 50c (b) 1.60 C 1. 45c c 4. 8c c Topic: Counting and 100 Square Page , 14, 20, 37, , 100, 96, 24, 11, , 12, 34, 98, 107, , 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, Topic: Addition 4 Page = = = = = = = = = 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) Topic: Rounding Page Topic: Subtraction 4 Page = 3, = = 4, = = 2, = = 5, = Mental Maths 5 Page C c = , 5, subtract 2. 5c, 2c, 1c ,98 6. Junior Infants c ,104, =4 Topic: Quick Sums 4 Page , , , , , F The Street Pages 90 and = = = c + 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 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, (142) (125) 5. 0 (106) Topic: Weight Page 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 true 2. false 3. false 4. true 5. true B - 1 E 50c F 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 Topic: Weight Page true 2. true 3. false 4. true 5. false 1. tea, cornflakes and sugar 224 Planet Maths Textbook Answers 2nd Class

7 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 : : : : : : : : : : : : : : : : : : : :30 Topic: Time 2 Page : : : : : :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: : : : : : :00 Topic: Time 2 Page : : : : th December 2. 14th February 3. 1st April 4. 1st January 5. 17th March 6. 24th December 1. 7: : : : :15 Topic: Time 2 Page 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 true 2. false 3. true 4. true 5. false Topic: Spatial Awareness Page 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 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 , 12, 8, square 2. 6, 12, 8, square, rectangle 3. 3, 2, 1, circle, rectangle 4. 1, 0, , 1, 0, circle cubes, cuboids, cylinders, cones Mental Maths 6 Page Friday , rectangle, circle sphere colour 3 cars = rd = Topic: Tables 2 Page = = = = = = = = = = = = = = = = Toic: Problem-Solving 6 Page shape curved flat faces faces edges corners cone sphere cube cuboid cylinder I slide: cube, cuboid, cylinder, cone I roll: cylinder, cone, sphere Topic: Estimate and Count 2 Page , 34, , 16, 17, 18 Topic: Estimate and Count Page Topic: Addition 5 Page bottom right square: bottom right square: bottom right square: Planet Maths Textbook Answers 2nd Class 225

8 Topic: Subtraction 5 Page Topic: Subtraction 5 Page Topic: Subtraction 5 Page (20 5) + 11 = (4 2) + 6 = 8 3. (16 7) + 4 = (23 16) 1 = 6 5. (48 20) + 17 = (32 11) + 2 = 23 Topic: Place Value 4 Page I made I made 1. I had 9 coins left over 3. I made 2. I had 5 coins left over. Topic: Place Value 4 Page Topic: Area 1 Page table 2. bed 3. clock Topic: Area 1 Page true 2. false 3. false 4. true 5. true Topic: Length Page 121 Topic: Length Page card 2. computer, chair, horse 3. clock, tree Topic: Length Page Topic: Length Page 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 Mental Maths 7 Page January c 9. 1 hundred 3 tens 8 units true 3. 7: triangle kg, 1 2 kg, 1kg Topic: Quick Sums 5 Page Topic: Problem-Solving 7 Page 127 David's Birthday Pages 128 and right 2. left kg circle 7. cone cuboid 12. half past apple Topic: Algebra 2 Page , 60, 70, there are 10 tens in packs 2. 7 packs 3. 5 packs 4. 8 packs 1. 15, 25, 30, 45, , 35, 56, 63, 77 Topic: Algebra 2 Page 131 5s, 10s, 3s (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, (b) 4s (a) 17 (b) 19 (c) 10 (d) 1 (e) 4 (f) rd 226 Planet Maths Textbook Answers 2nd Class

9 Topic: Capacity Page swimming pool 2. cup 3. jug, bucket or cup 4. fish tank, bucket (multiple answers) Topic: Capacity Page 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, l, 3 4 l l l l l Topic: Capacity Page 135 bucket cup l milk and cola 1 4, 1 2, 3 4, 1, 1 1 2, Topic: Addition 6 Page Topic: Addition 6 Page Topic: Addition 6 Page , 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 true 2. false 3. true 4. false 32 greater Mental Maths 8 Page cylinder c car 9. Circle 6 pencils l 3. 1, 20c, 20c, 1c c 8. summer 9. < :30 Topic: Quick Sums 6 Page even, even, odd 2. odd, even, even, odd 3. odd, odd, even, even Topic: Problem-Solving 8 Page km 3. 27c 4. 3 dogs; 4 animals Snakes and Ladders Pages 144 and 145 Topic: Data Page Topic: Data Page apple 2. cherry orange Topic: Data Page Paul 2. John Topic: Data Page hurling 2. tennis hurling Topic: Money 2 Page c c 3. 74c c c 6. 8c c c c or or 99c Topic: Money 2 Page true 2. false 3. true 4. true 1. (a) 131c (b) 90c (c) 189c (d) 18c (e) 98c (f) 116c (g) 200c 2. skirt dress coat hat scarf 0.98 top trousers Topic: Money 2 Page c c c c Planet Maths Textbook Answers 2nd Class 227

10 5. 147c c 1. Jean 0. 90, Beth 0. 38, Jack 1. 34, Sue 1. 85, Jim 1. 81, Tom (a) 1.88 or 188c (b) 12c or (a) No (b) 9c or 0.09 Topic: Money 2 Page 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 c, 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 c, 180c, 10c c 2. 48c c 4. 2c c c 7. 15c c c c c c c Mental Maths 9 Page Monday 4. 6 faces 5. colour 8 stars pencil c cm 1. 20, 17, 11, 8, c orange Mental Maths 10 Page , 9, 11, c 5. orange cuboid 1. 1 hundred 7 tens 4 units , 4, 6, 9, 14, cm c 8. Yes Planet Maths Textbook Answers 2nd Class