Numeracy Foundation November 2017 Unit 2 Q3
3. Mair has an old family recipe for making Welsh cakes.
Ingredients for 10 Welsh cakes
8 ounces plain flour
4 ounces butter
3 ounces caster sugar
2 ounces currants
1 egg
(a) Mair wants to make 40 Welsh cakes.
Complete the recipe. [1]
Complete the recipe. [1]
Ingredients for 40 Welsh cakes
32 ounces plain flour
…………… ounces butter
12 ounces caster sugar
…………… ounces currants
4 eggs
(b) Flour is sold in packs weighing one kilogram each.
Mair knows that she needs 2 pounds of flour to make 40 Welsh cakes.
Is a one kilogram pack of flour enough?
Give a reason for your answer. [1]
Mair knows that she needs 2 pounds of flour to make 40 Welsh cakes.
Is a one kilogram pack of flour enough?
Give a reason for your answer. [1]
(c) Mair sells Welsh cakes to a tearoom.
She sells 40 Welsh cakes every week for 12 weeks.
The weekly cost of making the Welsh cakes is £4.50.
She charges the tearoom 25p for each Welsh cake.
How much profit does Mair make in total over the 12 weeks?
Give your answer in £. [4]
She sells 40 Welsh cakes every week for 12 weeks.
The weekly cost of making the Welsh cakes is £4.50.
She charges the tearoom 25p for each Welsh cake.
How much profit does Mair make in total over the 12 weeks?
Give your answer in £. [4]
Profit = £ …………………………
| Scheme | Marks | Comments |
|---|---|---|
| Two correct answers 16 (ounces butter) 8 (ounces currants) | B1 |
| Scheme | Marks | Comments |
|---|---|---|
| Yes, stated or implied, with an explanation. e.g. ‘She has enough because 1kg ≈ 2.2 lb. | E1 | Do not award E1 for “yes”, without explanation. Allow ‘Yes, because 1 kilogram is more than 2 pounds’. |
| Scheme | Marks | Comments |
|---|---|---|
| (Income from sales of Welsh cakes) 40 × (0.)25 × 12 (£)120(.00) or 12000(p) | M1 A1 | Award M1 A1 for sight of (£)120 or 12000(p). If units given they must be correct |
| (Cost of making Welsh cakes) (4(.)50 ×12 =) (£)54 or 5400(p) | B1 | |
| (Profit=) (£)66 | B1 | FT 'their 120' – 'their 54’ if consistent units applied and profit is positive. Answer of 6600(p) implies M1 A1 B1 B0 |
Alternative
| Scheme | Marks | Comments |
|---|---|---|
| (Weekly profit =) 40 × (0.)25 – 4(.)50 | M1 | Units must be consistent |
| =( £)5.5(0) or 550(p) | A1 | |
| (Total 12 week Profit=) 5.5(0) ×12 | M1 | FT ‘their 5.5(0)’ |
| (£)66 | A1 |