Five swimmers 0 Overview Using this Resource Connecting to the Curriculum Marking Student Responses Further Resources This task is about estimating length. Question 1Change answer Five friends were having a swimming competition. The arrows show how far each person swam underwater before they took a breath. Joe swam 9 metres underwater before taking a breath. ESTIMATE how far each of the others swam underwater in metres. Five friends were having a swimming competition. The arrows show how far each person swam underwater before they took a breath. Joe swam 9 metres underwater before taking a breath. ESTIMATE how far each of the others swam underwater in metres. a) Miri m b) Roshan m c) Sam m d) Fiona m Task administration: This task can be completed with pencil and paper or online. Level: 3 Curriculum info: Maths, Geometry and Measurement, Measurement Keywords: estimation, length, unitising, repeated units Description of task: Students use a given distance and diagram to estimate the distance four people swam underwater. Curriculum Links: This resource can help to identify students' understanding of length and repeated units . Learning Progression FrameworksThis resource can provide evidence of learning associated with Measurement sense, set 5 within the Mathematics Learning Progressions Frameworks.Read more about the Learning Progressions Frameworks. Answers/responses: Y7 (03/1999) a) Accept range 17-19 Accept range 16-16.9 or 19.1-20 2 marks – moderate 1 mark – easy b) Accept range 5.5-6.5 Accept range 5-5.49 or 6.51-7 2 marks – difficult 1 mark – easy c) Accept range 2.5-3.5 Accept range 2-2.49 or 3.51-4 2 marks – difficult 1 mark – very easy d) Accept range 10.5-12.5 Accept range 10-10.49 or 12.51-13 2 marks – moderate 1 mark – easy Five dolls