Wall Paint
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Approach:  Independent  
Level: Year 4 and year 8
Focus: Measuring area  
Resources:
Answer booklet
303kb
Questions/instructions:  

Look carefully at the picture. One litre of paint is needed to paint this wall.

 Wall paint
   
 
% responses
2009 ('05)
y4
y8
1. If the wall was 10m by 6m, how much paint would you need? 4 litres (appropriate units)   7 (9)
  4 (no units given) 1 (1)
2 litres (appropriate units) 59 (54)
2 (no units given) 1 (2)
 
Total score:
 2   7 (9)
1 1 (1)
0
92 (90)
Subgroup Analysis [Click on charts to enlarge] :
Year 8
Commentary:
Remarkably few of the year 8 students realised that, with both dimensions doubled, the amount of paint required would increase by four times. All subgroups performed similarly poorly.