Numeracy Foundation June 2018 Unit 2 Q3

(a)

Dewi is making a cake using a gas oven.
The recipe states:

‘Preheat the oven to a temperature of 350° Fahrenheit’.

Use the conversion chart to find the gas mark Dewi should use. [1]

Gas mark ……………

(b)

Ffion is cooking a cake using an electric oven.
Her recipe states:

‘Preheat the oven to gas mark 3’.

Ffion uses the conversion chart and correctly sets her oven to 140°.
What type of electric oven does Ffion have? [1]

(c) Dewi’s cake needs 25 minutes to cook.
Ffion’s cake needs one and a half hours to cook.
How many minutes longer does Ffion’s cake take to cook than Dewi’s cake? [1]