Drawing animal motion

Drawing animal motion

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This task is about identifying pathway of motion.

Question

All of these diagrams are drawn from a bird's eye view. 
A goat is tied to a pole by a rope.
Which diagram shows the path of the goat as it runs around the pole once, keeping the rope tight?

    • motion1.png

    • motion2.png

    • motion3.png

    • motion4.png

Question

A dog runs around a house.
Which diagram shows the path of the dog, if it always keeps the same distance away from the house?

    • motion5.png

    • motion6.png

    • motion7.png

    • motion8.png

Question

A horse runs around a fence.
Which diagram shows the path of the horse, if it always stays the same distance away from the fence?

    • motion9.png

    • motion10.png

    • motion11.png

    • motion12.png

Level:
4
Curriculum info: 
Maths, Geometry and Measurement, Position and orientation
Keywords: 
locus
Description of task: 
Students select the diagram that best shows the path (locus) made by various animals as they move around stationary objects.
Answers/responses: 
 

Y8 (05/2000)
a) C very easy
b) B difficult
c) D difficult
Diagnostic and formative information: 
  Common error  

b)
c)

D
C

Does not account for rounded corners of the locus but draws right angles instead.