Buying more CDs and DVDs 0 Overview Using this Resource Connecting to the Curriculum Marking Student Responses Further Resources This task is about calculating with decimal numbers. Eleni and Malachi buy their CDs and DVDs supplies from Megahits Music Store. Question 1Change answer Eleni has $200.00 to spend. She buys 2 DVDs. Eleni has $200.00 to spend. She buys 2 DVDs. How much do the 2 DVDs cost? $ How much money will she have left? $ Question 2Change answer Malachi buys 4 DVDs and 3 CDs. Malachi buys 4 DVDs and 3 CDs. How much does Malachi spend? $ How much change will Malachi get from $170.00? $ How many CDs could he buy if he spent the full $170.00 on them? CDs Task administration: This task can be completed with pencil and paper or online (with auto marking displayed to students). Level: 4 Curriculum info: Maths, Number and Algebra, Number Strategies Keywords: decimals, addition, subtraction, multiplication, division Description of task: Students use all four operations to perform calculations using decimal values. Curriculum Links: This resource can help to identify students' ability to apply additive or multiplicative strategies flexibly to decimal numbers. Learning Progression FrameworksThis resource can provide evidence of learning associated with Additive thinking, sets 7-8Multiplicative thinking, sets 6-7 within the Mathematics Learning Progressions Frameworks.Read more about the Learning Progressions Frameworks. Answers/responses: Y10 (09/1999) a) i) ii) 49.90 150.10 [Accept 200 - answer to a) i)] very easy very easy b) i) ii) iii) 159.65 10.35 [Accept 170 - answer to b) i)] 8 very easy very easy easy Buying vegetables Which bottle size? Buying CDs and DVDs Buying electricity Building a fence Estimate these Money computations Comparing prices
