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Questions
/ instructions:
Remove 2 segments of the pepperoni pizza and one segment of the ham and pineapple pizza. Do not use fractional terms at this point. |
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%
responses
2001 ('97) |
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y4
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y8
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| 1.
How much of the pepperoni pizza is left? Prompt: (if answer not given as fraction) What fraction or part is left? |
1/2
|
80
(75)
|
97
(97)
|
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| 2.
How much of the ham and pineapple pizza is left? Prompt: (if answer not given as fraction) What fraction or part is left? |
3/4
|
54
(54)
|
89
(89)
|
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| 3. Altogether, how much pizza is left? |
1
1/4 or 5/4 or 5/8 of total
|
51
(46)
|
81
(76)
|
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Now we are going to think about 2 different ways of using up the pizza that is left over. |
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| 4.
If 4 children had a quarter piece of pizza each, then how much would be
left? Prompt: You can move the pieces of pizza around to help you work it out. |
1/4
|
52
(49)
|
73
(75)
|
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Ensure the students are still looking at the 2 segments of pepperoni pizza and the 3 segments of the ham and pineapple pizza. |
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| 5.
This time imagine that the two of us are going to have an equal share
of all of the pizza that is left. What fraction or part of a whole pizza
do we each get? Prompt: You can move the pieces of pizza around to help you work it out. |
5/8
|
•
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10
(8)
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2
quarters and one eighth
|
•
|
9
(13)
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| 6. Can you explain to me how you worked that out? |
not
marked
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| Commentary:
On questions 1–4, on average about 25 percent more year 8 than year 4 students succeeded. Year 4 students performed a little better in 2001 than in 1997, but there was no consistent pattern of change for year 8 students. |
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