Approach: One
to one |
Level:
Year 4
and year 8 |
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Focus:
Probability.
|
Resources:
Bag of beans:
8 blue, 8 green, 8 orange, recording book. |
|
648KB |
|
|
Questions/instructions:
|
|
%
responses
|
y4
|
y8
|
Take
beans out of bag, and place on the table.
1. I want you to choose 6 beans to put back into the bag. Choose them
so that I would always pull out a green bean if I put my hand in to take
one out. |
6
green beans in bag
|
68
|
89
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Place
all beans on the table.
2. Year 4
This time choose 8 beans to put back in the bag. Choose them so that I
would have the same chance of pulling out an orange bean, or another colour.
|
4
orange beans and 4 other beans
|
46
|
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2.
Year 8
This time choose 8 beans to put back in the bag. Choose them so that I
would have a 50 percent chance of pulling out an orange bean.
|
4
orange beans and 4 other beans
|
|
83
|
No
commentary for this task. |