Your Solutions - Stage 3 & 4

Quadratic Patterns

Stage: 3 Challenge Level: Challenge Level:2 Challenge Level:2

Surprising numerical patterns can be explained using algebra and diagrams...

Hollow Squares

Stage: 4 Challenge Level: Challenge Level:1

Which armies can be arranged in hollow square fighting formations?

Difference of Two Squares

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

What is special about the difference between squares of numbers adjacent to multiples of three?

Pythagoras Perimeters

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

If you know the perimeter of a right angled triangle, what can you say about the area?