Recipe problems are the perfect conceptual introduction to direct proportion for many students. They remain ever popular with exam boards and let’s face it, form an important life skill!

In this worksheet, students have 6 recipe cards that need scaling by an integer and fractional scale factors. Examples include recipes from 4 to 1 and 8 to 5.

Metric and imperial units are used, which is an opportunity for discussion with pupils.

Your learners will be faced with challenges such as 3 ÷ 5 and should be encouraged to complete this worksheet without a calculator.