Can you complete this calculation by filling in the missing numbers? In how many different ways can you do it?
Can you work out some different ways to balance this equation?
Can you come up with a system for describing where any of these drawers are?
Sketch the members of the family of graphs given by $y = a^3/(x^2+a^2)$ for $a=1, 2$ and $3$.
Explore the triangles that can be made with seven sticks of the same length.
This task offers opportunities to subtract fractions using A4 paper.
Investigate the totals you get when adding numbers in threes on the diagonal of this pattern.
Some of our experiences of discovering and using triangle numbers in a range of contexts.
How many triangles can you make using sticks that are 3cm, 4cm and 5cm long?
