|
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|
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%
responses 2009 ('05) |
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y4 |
y8 |
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1. Tell me what you think the answer is. | 336 | 70 (63) | ||||||||||||||
2.
Now tell me how you worked it out. |
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prompt: Can you explain that a bit more to me? | ||||||||||||||||
explanation show understanding that the answer must be 2 lots of six (12) more than 324 | 56 (42) | |||||||||||||||
another valid strategy that made use of information that 54 × 6 = 324 | 5 (10) | |||||||||||||||
tried to directly calculate 56 × 6 (i.e. did not make use of 54 × 6 = 324) | 14 (18) | |||||||||||||||
any other response, including unclear explanation | 25 (30) | |||||||||||||||
Total
score: |
4
|
52 (39) | ||||||||||||||
3 | 8 (7) | |||||||||||||||
2 | 13 (20) | |||||||||||||||
1 | 5 (9) | |||||||||||||||
0 | 22
(25) |
Subgroup Analysis [Click on charts to enlarge] : |
Commentary: |
Between
2005 and 2009, the percentage of year 8 students using an efficient
number strategy to solve this task increased substantially, leading
to a smaller rise in success with the task. Boys did a little better
than girls, on average, with only small differences between Pakeha,
Mäori and Pasifika students. |