Calculating with time 0 Overview Using this Resource Connecting to the Curriculum Marking Student Responses Working with Students Further Resources Question 1Change answer Victor can run 6 lengths of a netball court in 1 minute. Victor can run 6 lengths of a netball court in 1 minute. How many lengths could he run in 4 minutes? lengths Question 1Change answer b) Fiona can pick 10 apples in 1 minute. b) Fiona can pick 10 apples in 1 minute. How many apples could she pick in 5 minutes? How many apples could she pick in 1 hour? Question 1Change answer c) Kate is paid $20 for babysitting 5 hours. c) Kate is paid $20 for babysitting 5 hours. How much is she paid for each hour she babysits? $ per hour Question 1Change answer d) Colleen is paid $40 for working 4 hours at a supermarket. d) Colleen is paid $40 for working 4 hours at a supermarket. How much is she paid for every 30 minutes she works? $ per 30 minutes Task administration: This task can be completed with pencil and paper or online (with auto marking displayed to students). Level: 3 Curriculum info: Maths, Number and Algebra, Number Strategies Keywords: rates, time, multiplication, division Description of task: Students perform calculations involving rates of pay, distances, and quantities. Learning Progression FrameworksThis resource can provide evidence of learning associated with Multiplicative thinking, sets 4-5 within the Mathematics Learning Progressions Frameworks.Read more about the Learning Progressions Frameworks. Answers/responses: Y7 (03/99) a) 24 very easy b) i) ii) 50 600 [Accept if b)i) × 12] very easy easy c) $4 [Accept if "$" missing.] easy d) $5 [Accept if "$" missing.] easy Diagnostic and formative information: Common error Likely calculation Likely reason b) ii) 1000 100 100 × 10 10 × 10 Assumes 100 min = 1 hour. Assumes 10 min = 1 hour. c) 5 Quotes number of hours. d) 10 20 (40 ÷ 4) × 2 Pay per hour rather than 30 min. Multiplies by 2 rather than dividing. Buying vegetables Stacking wood Which bottle size? Time on the track Walk to the beach Sauces, jams and preserves Lengths of the pool Lemonade and muffins Cycling trip Computer printing