Five swimmers

Five swimmers

Pencil and paperOnline interactive
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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.
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
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 Frameworks
This resource can provide evidence of learning associated with 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