| Approach: |
One
to one |
|
Level: Year
4 |
| Focus: |
Computation
strategies |
|
| Resources:
|
Card |
|
|
| Questions/instructions: |
|
Hand
card to student.
This card tells you that 15 times 4 is 60.
Use this fact to work out 16 times 4.
|
|
| |
%
responses
2009 ('05) |
y4 |
|
| 1.
Tell me what you think the answer is. |
64
|
47
(51) |
|
| 2.
Now tell me how you worked it out. |
|
|
| prompt:
Can you explain that a bit more to me? |
|
|
| explanation
showing understanding that the answer must be 4 more than 60 |
41
(39) |
|
| another
valid strategy that made use of information that 15 × 4 = 60
|
6
(4) |
|
| tried
to directly calculate 16 × 4 (i.e.
did not make use of 15 × 4 = 60) |
6
(12) |
|
| any
other response, including unclear explanation |
47
(45) |
|
|
Total
score: |
4
|
40
(38) |
|
3
|
3
(2) |
|
2
|
9
(13) |
|
1
|
3
(6) |
|
| 0
|
45
(41) |
|
