This collection of STEM resources is based on number related topics.  Resources are listed in order of stage.

A tray back of brownies with marshmallows on top.
problem

Tray Bake

Age
11 to 14
Challenge level
1 out of 3

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

A blue DNA helix.
problem

The Genes of Gilgamesh

Age
14 to 16
Challenge level
1 out of 3

Can you work out the parentage of the ancient hero Gilgamesh?

Mystery Procedure
problem

Mystery Procedure

Age
14 to 16
Challenge level
1 out of 3
Can you work out what this procedure is doing?