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| Questions/instructions: Show the yellow/blue train. The trucks on the train are being painted yellow and blue. You will see that there is a pattern in the way they are being painted, and that not all of the trucks have been painted yet.
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%
responses
2001 ('97) |
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y4
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y8
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| 1. If the painters keep on painting the trucks, what colour will truck 18 be? (Point to number 18) |
blue
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97
(95)
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97
(97)
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Now I’ll put
a garage over some of the trucks.
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| 2. What colour will they paint truck 21? |
yellow
|
81
(76)
|
87
(83)
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| 3. What colour will they paint truck 26? |
blue
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69
(69)
|
85
(78)
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| 4. If the train went on to have more trucks, what colour would they paint truck 39? |
yellow
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64
(59)
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83
(75)
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| 5. How did you work that out? |
not
marked
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| 6. If the train had 60 trucks, how many would be painted yellow? |
30
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57
(53
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84
(86)
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| 7.
If Batman came swooping down and landed on a truck, do you think he would
definitely land on a blue truck, he might land on a blue truck, or he
wouldn’t land on a blue truck? |
might
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74
(62)
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90
(88)
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| 8.
What is the chance of him landing on a blue truck? |
50%,
50/50, equal
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•
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72
(62)
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Show second train
with [green] and [red] trucks.
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| 9.
What colour will truck 18 be? |
red
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92
(90)
|
93
(91)
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| 10.
If the train went on to have more trucks, what colour would they paint
truck 42? |
red
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•
|
50
(53)
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| 11.
How did you work that out? |
not
marked
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| 12. How many green trucks would there be all together up to 42? |
28
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•
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20
(17)
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| 13.
If Batman came swooping down and landed on a truck of this train, do you
think he would definitely land on a green truck, he might land on a green
truck, or he wouldn’t land on a green truck? |
might
|
59
(51)
|
74
(73)
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| 14.
What is the chance of him landing on a green truck? |
2/3,
2 out of 3,
67% or similar |
•
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23
(26)
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| Commentary The 2001 year 4 students were a little more successful than their 1997 counterparts. The results for year 8 students were more mixed. |
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