:Bed Times
Trend Task
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Approach:  Independent Level: Year 4
Focus: Interpreting a bar graph 
Resources: Bar graph in resource book, red pen
164KB

Questions/instructions:

The children in the class made a graph showing their bed times.

[click on to enlarge]
 
% responses
2003 ('99)
y4
1. What is the earliest bed time?
6:30 (pm)
51 (49)
2. How many children go to bed at 7:30?
4
78 (76)
3. What time do most children go to bed?
8 (pm)
85 (85)
4. How many more children go to bed at 8.00 than 7.30?
4
65 (61)
 
Total score:



4
36 (34)
3
33 (29)
2
14 (19)
1
9 (10)
0
8 (8)
Commentary:
There is no change between 1999 and 2003 in year 4 students’ ability to read a simple bar graph. About a third of year 4 students answered all questions accurately.
 
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