| Approach: |
One
to one |
|
Level: Year 4
and year 8 |
| Focus: |
Calculating
fractions using equipment |
|
| Resources:
|
4
chocolate bars (divided into , , , whole), 5 fraction problem cards,
photo |
|
|
| Questions/instructions: |
Arrange
the four chocolate bars on the desk as shown in the photo.
Here are four chocolate bars. Use the chocolate bars to help answer some fraction
problems. Here is the first problem.
[Cards identical to fractions in brackets.]
|
 |
|
| |
%
responses
2009 ('05) |
| Hand
student card 1 and read it (1/2 + 1/2 = ). |
y4 |
y8 |
| 1.
What is the answer? Use the chocolate
bars to explain your answer. |
1 |
62
(63) |
92
(93) |
Explanation:
|
|
|
clear
and appropriate explanation
|
55
(48) |
81
(84) |
| on
right track but not clear/complete |
7
(14) |
8
(6) |
| Hand
student card 2 and read it ( 1/2 + 1/4 = ). |
|
|
| 2.
What is the answer? Use the chocolate bars to explain your answer.
|
3/4 |
22
(29) |
57
(61) |
| Explanation: |
|
|
| clear
and appropriate explanation |
17
(17) |
47
(46) |
| on
right track but not clear/complete |
8
(10) |
12
(15) |
| Hand
student card 3 and read it (1 – 1/3 = ). |
|
|
| 3.
What is the answer? Use the chocolate bars to explain your answer. |
2/3 |
18
(22) |
61
(59) |
| Explanation: |
|
|
| clear
and appropriate explanation |
17
(14) |
48
(45) |
| on
right track but not clear/complete |
4
(10) |
12
(12) |
| YEAR
8 ONLY: |
|
|
|
| Hand
student card 4 and read it (1 1/4 – 1/2 = ). |
|
|
| 4.
What is the answer? Use the chocolate bars to explain your answer. |
3/4 |
0
0 |
55
(56) |
| Explanation: |
|
|
clear
and appropriate explanation |
|
44
(42) |
on
right track but not clear/complete |
|
10
(11) |
| Hand
student card 5 and read it (2 ÷ 1/2 = ). |
|
|
| 5.
What is the answer? You might want to use the chocolate bars to explain
your answer. |
4 |
0
0 |
25
(26) |
| Explanation: |
|
|
|
| clear
and appropriate explanation |
|
17
(15) |
| on
right track but not clear/complete |
|
7
(6) |
| |
 |
Y4
Total Score: |
3
|
12
(18) |
|
2
|
15
(12) |
|
1
|
37
(37) |
|
| 0
|
36
(33) |
|
| Y8
Total Score: |
5
|
|
17
(18) |
4
|
|
30
(26) |
3
|
|
13
(17) |
2
|
|
13
(18) |
| 0–1
|
|
27
(21) |
