Each light in this interactivity turns on according to a rule. What happens when you enter different numbers? Can you work out the rule for each light?
One block is needed to make an up-and-down staircase, with one step up and one step down. How many blocks would be needed to build an up-and-down staircase with 5 steps up and 5 steps down?
This article for primary teachers outlines why developing an intuitive 'feel' for numbers matters, and how our activities focusing on factors and multiples can help.
How many different rectangles can you make using this set of rods?
Investigate the effects of the half-lifes of the isotopes of cobalt on the mass of a mystery lump of the element.
Follow this recipe for sieving numbers and see what interesting patterns emerge.
Imagine a very strange bank account where you are only allowed to do two things...
