In Proportion

Current

In Proportion

These problems use contexts such as scaling a recipe, or diluting lemonade or chemical solutions, to show how proportional reasoning is used across STEM subjects.

Tray Bake link

Tray Bake 

Stage: 3 Challenge Level: Challenge Level:1

My recipe is for 12 cakes - how do I change it if I want to make a different number of cakes?

Toad in the Hole link

Toad in the Hole 

Stage: 3 Challenge Level: Challenge Level:1

Is it cheaper to cook a meal from scratch or to buy a ready meal? What difference does the number of people you're cooking for make?

Mixing Lemonade link

Mixing Lemonade 

Stage: 3 Challenge Level: Challenge Level:1

Can you work out which drink has the stronger flavour?

Investigating the Dilution Series link

Investigating the Dilution Series 

Stage: 4 Challenge Level: Challenge Level:2 Challenge Level:2

Which dilutions can you make using only 10ml pipettes?