Garage plan 0 Overview Using this Resource Connecting to the Curriculum Marking Student Responses Working with Students This task is about measuring length and using a scale. Question 1Change answer Plan of Gary's garage Scale: 15 mm represents 1 m Use the plan and the scale of 15 mm to 1 m to calculate the actual measurements of Gary's garage. Plan of Gary's garage Scale: 15 mm represents 1 m Use the plan and the scale of 15 mm to 1 m to calculate the actual measurements of Gary's garage. a) Length of the garage (105 mm on the plan) metres. b) Width of the garage (60 mm on the plan) metres. c) Length of the workbench (36 mm on the plan) metres. d) Width of the workbench (12 mm on the plan) centimetres. Task administration: This task can be completed with pencil and paper or online (with auto marking displayed to students). Check the measurements of the printed or displayed garage plan. Level: 5 Curriculum info: Maths, Geometry and Measurement, Measurement Keywords: length, scale Description of task: Students use a plan of a garage with a scale to calculate the actual length and width of the garage and a workbench inside it. Learning Progression FrameworksThis resource can provide evidence of learning associated with Measurement sense, sets 7-8 within the Mathematics Learning Progressions Frameworks.Read more about the Learning Progressions Frameworks. Answers/responses: Y10 (11/1999) a) 7 very easy b) 4 very easy c) 2.4 easy d) 80 difficult Diagnostic and formative information: Student response Likely calculation Likely misconception a) b) c) d) 693 396 237.6 79.2 105 × 6.6 60 × 6.6 36 × 6.6 12 × 6.6 Multiplies lengths (in mm) by 6.6 which is 100 ÷ 15 (to 1 d.p.). Answers are approximately correct answers (in mm). d) 0.8 800 Answer in m not cm. Answer in mm not cm. b) c) 5 2.6 6 – 1 3.6 – 1
