Recipe and Proportions

This lesson can be used for revision for the higher Maths GCSE. The examples are quick and concise with exam style questions, go to GCSE Maths if you need more in-depth explanations.

How to answer recipe and proportion questions in the GCSE exam?

Example 1:
Here is a list of ingredients for making 12 small cakes.
180 g margarine
180 g sugar
200 g plain flour
1 teaspoon baking powder
2 eggs

Joe is going to make 24 of the small cakes.
(a) Work out how much margarine he needs.

Sharon is going to make 18 of the small cakes.
(b) Work out how much flour she needs.

Example 2:
Here is a list of ingredients for making 18 mince pies.
225 g of butter
350 g of flour
100 g of sugar
280 g of mincemeat
1 egg

Does Elaine have enough of each ingredient to make 45 mince pies?
You must show clearly how you got your answer. Go to next lesson