:Chocolate Bars
Trend Task
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Approach: Independent  Level: Year 8
Focus:     Calculating average
Resources: Answer booklet
108KB
Questions / instructions:
Angela is selling chocolate bars for her class camp.
This picture shows the number of bars she sold during the first 3 days.
   
% responses
2005 ('01)
-
Y8
How many chocolate bars must Angela sell on day 4 so that the average number of bars sold each day is 5?
4
55 (57)

Commentary:
Just over half of the year 8 students were successful in this task. Results were consistent with the findings from four years ago.
 
Chapter Graphic
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