Approach: Independent |
Level:
Year 4
and year 8 |
|
Focus:
Combinations
and probability.
|
Resources:
None.
|
|
136KB |
|
|
Questions/instructions: |
|
%
responses
2001 ('97)
|
y4
|
y8
|
1. Each cup can be paired with each saucer. How may different pairings
of a cup and saucer can be made?
|
A
|
2 |
|
|
|
B
|
3 |
C
|
5 |
D
|
6 |
|
15
()
|
56
(56)
|
2.
There is only one red marble in each of the bags shown below. Without
looking, you are to pick a marble out of one of the bags. Which bag would
give you the greatest chance of picking the red marble?
|
A
|
Bag
with 10 marbles. |
|
49
()
|
76
(74)
|
B
|
Bag with 100 marbles. |
|
|
|
C
|
Bag with 1000 marbles. |
D
|
It makes no difference. |
Commentary
The results for year 8 students were almost identical in 1997 and 2001.
These tasks were not administered to year 4 students in 1997. |