Polygonal numbers are those that are arranged in shapes as they enlarge. Explore the polygonal numbers drawn here.
An investigation involving adding and subtracting sets of consecutive numbers. Lots to find out, lots to explore.
Investigate what happens if we create number patterns using some simple rules.
How will you decide which way of flipping over and/or turning the grid will give you the highest total?
It starts quite simple but great opportunities for number discoveries and patterns!