20762_Problem_solving_Year_5_Number_and_place_value_2

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SOLUTIONS Note: Many solutions are written statements rather than just numbers. This is to encourage teachers and students to solve problems in this way. AT THE DELICATESSEN............................................ page 34 1. boxes of 16 tins number of tins number of bottles boxes of 12 bottles 1 16 100 not possible total boxes 2 32 84 7 9 too many 3 64 52 not possible 4 64 52 not possible 5 80 36 3 8 3 boxes of bottles were unpacked 2. (a) $15 profit per bottle (b) 7 bottles (c) when February has 4 weeks, $ ??? profit 3. (a) 3 tubs cost $28.50, loose fetta costs $29.40 3 jars are cheaper (b) Profit on 1 kg of fetta is $9.20 There is $128.80 more profit per week in the summer In Australia, both summer and winter are approximately 14 weeks, so the difference in profit is about $1800 THE SUGAR MILL ...................................................... page 35 1. 816 bins (815 full, 1 part full) 2. maximum number of trains 7 (with 135 bins) minimum number of trains 6 (with 145 bins) 3. Harvesting time is 7 months. Approximately 2120 tonnes per month and 1060 tonnes per farm 4. (a) 4850 bins were used (b) Between 34 trains (if all have 145 bins) and 36 trains (if all have 135 bins) 5. 353 truck loads were needed 68 trips with 4 trucks, and 1 trip with 1 truck 64 Problem-solving in mathematics www.ricpublications.com.au R.I.C. Publications ®
0–99 BOARD RESOURCE PAGE 0 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 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 70 Problem-solving in mathematics www.ricpublications.com.au R.I.C. Publications ®
Page 1 and 2: Your partner in education YEAR 5 PR
Page 3 and 4: FOREWORD Books A-G of Problem-solvi
Page 5 and 6: FOREWORD diminished or left out of
Page 7 and 8: TEACHER NOTES Problem-solving To an
Page 9 and 10: THE TROPICAL FRUIT ORCHARD The trop
Page 11 and 12: TEACHER NOTES Problem-solving To or
Page 13 and 14: THE TOWN’S CENTENARY While Kellie
Page 15 and 16: TEACHER NOTES Problem-solving To an
Page 17 and 18: AT THE DELICATESSEN 1. The delicate
Page 19: SOLUTIONS Note: Many solutions are

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