Gardening time 0 Overview Using this Resource Connecting to the Curriculum Marking Student Responses Working with Students Further Resources This task is about percentages and fractions. Question 1Change answer Malachi and Tori did some gardening for Mr Langford. a) This is how Malachi spent his time. \(1 \over 2\) weeding \(1 \over 5\) digging \(3 \over 10\) trimming Malachi and Tori did some gardening for Mr Langford. a) This is how Malachi spent his time. \(1 \over 2\) weeding \(1 \over 5\) digging \(3 \over 10\) trimming What percentage of the time did Malachi spend ... i) weeding? % ii) digging? % iii) trimming? % Question 1Change answer b) This is how Tori spent her time. 50% mowing lawns 25% pruning 10% sweeping 15% trimming b) This is how Tori spent her time. 50% mowing lawns 25% pruning 10% sweeping 15% trimming Write each of the percentages of how Tori spent her time as fractions in their simplest form. i) mowing ii) pruning iii) sweeping iv) trimming Task administration: This task is completed with pencil and paper or online with some auto-marking. Copyright: Images: iStock Level: 4 Curriculum info: Maths, Number and Algebra, Number Strategies Keywords: fractions, percentages Description of task: Students convert fractions to percentages and write percentages in their simplest fractional form. Answers/responses: Y9 (04/1999) a) i) ii) iii) 50 20 30 very easy easy easy b) i) ii) iii) iv) 1/2 1/4 1/10 3/20 very easy easy easy very difficult Diagnostic and formative information: Common error Likely reason b) ii) iv) 2.5/10 1.5/10 Inappropriate fractional form. Numerator needs to be an integer. b) iv) 15/100 Fails to simplify fraction. b) iv) 1/5, 3/5 Incorrect simplification of 15/100. Getting a hair cut Equivalents
