Whale watching

Whale watching

Auto-markingPencil and paperOnline interactive
Overview
Using this Resource
Connecting to the Curriculum
Marking Student Responses
Working with Students
Further Resources
This task is about grid references.
Tourists are whale watching from a boat which is shown in the centre of the grid below.  The tour guide saw a whale at the position labelled "W" which was at 2 o'clock and 30 metres away from the boat.
Whale-Watching-500.png

Question Change answer

a)  Another whale was seen at 7 o'clock, 20 metres away from the boat.
     Move the whale onto the grid to show this position.
Drag and drop image target

Question 2Change answer

b)  Dolphins were also seen at the points labelled D1 and D2. What are their positions?
     i)   D1:   o'clock,    metres
     ii)  D2:   o'clock,    metres
Task administration: 
This task can be completed with pencil and paper or online (with auto marking displayed to students).
Level:
4
Keywords: 
Description of task: 
Students identify points on a circular grid using references that give distance and direction (expressed in clock bearings).
Curriculum Links: 
This resource can be used to help to identify students' understanding of co-ordinates.
Key competencies
This resource involves communicating information and ideas using mathematics and  interpreting visual representations, both of which relate to the Key competency: Using language, symbols and text.
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: 
  Y8 (11/1998)
a) Position correctly marked.
whale correctly shown at 7 o clock at 20 metres
very easy
b) i)
ii)
11, 40
5, 10
very easy
very easy
Diagnostic and formative information: 
  Common error Likely reason
b) i)
    ii)
11, 4
5, 1
Interprets each circle to be 1 metre rather than 10 metres apart.