This activity is about proportion.
Here is a recipe for 12 flapjacks.
144 g butter
144 g sugar
288 g porridge oats
To find the quantities needed for 8 flapjacks, we first need to find how much is needed for 1 flapjack.
For 1 flapjack, divide each quantity by 12.
144 ÷ 12 = 12 g of butter
144 ÷ 12 = 12 g of sugar
288 ÷ 12 = 24 g porridge oats
For 8 flapjacks, multiply each of these quantities by 8.
12 x 8 = 96 g butter
12 x 8 = 96 g sugar
24 x 8 = 192 g porridge oats
Yummy!
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