| Approach: |
Independent |
|
Level: Year
8 |
| Focus: |
Calculating
percentage |
|
| Resources:
|
Answer
booklet |
|
|
| Questions/instructions: |
|
A
toyshop is having a sale.
Write down how much is taken off the old price.Then write down the new sale price. |
 |
Example: Car
10% off $7.00 Savings: 70 cents
Sale price: $6.30 |
| [NOTE: When
scoring results for the sale price, the student’s
answer for savings was used, whether it was correct or not.] |
| |
|
|
| |
%
responses
2009 ('05) |
- |
y8 |
| 1.
Action figure 10% off $17.50 |
Savings: |
$1.75 |
|
27 |
 |
|
1.75
/ 175 cents |
2 |
| Sale
price: |
correct
sale price |
51 |
| (e.g.
$17.50 - $1.75 = $15.75) |
|
| 2.
Lego 20% off $15.00 |
Savings:
|
$3.00
|
33 |
 |
|
3.00
/ 300 cents |
0 |
| Sale
price: |
correct
sale price 58 |
|
| (e.g.
$15.00 - $3.00 = $12.00) |
|
| 3.
Soft toy 25% off $20.00 |
Savings:
|
$5.00
|
46 |
 |
|
5.00
/ 500 cents |
1 |
| Sale
price: |
correct
sale price |
63 |
| (e.g.
$20.00 - $5.00 = $15.00) |
|
| 4.
Sport set 50% off $25.00 |
Savings:
|
$12.50
|
53 |
 |
|
12.50
/ 1250 cents |
5 |
| Sale
price: |
correct
sale price |
64 |
| (e.g.
$25.00 - $12.50 = $12.50) |
|
| 5.
Dress up 12.5% off $24.00 |
Savings: |
$3.00
|
15 |
 |
|
3.00
/ 300 cents |
0 |
| Sale
price: |
correct
sale price |
40 |
| (e.g.
$24.00 - $3.00 = $21.00) |
|
| |
Total
score: |
14–15
|
|
10 |
10–13
|
19 |
6–9
|
22 |
2–5
|
24 |
| 0–1
|
25 |
