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problem

Crossings

7 to 11

In this problem we are looking at sets of parallel sticks that cross each other. What is the least number of crossings you can make? And the greatest?

problem

Building approximations for sin(x)

16 to 18

Build up the concept of the Taylor series

problem

Making maths: birds from an egg

7 to 11

Can you make the birds from the egg tangram?

problem

Favourite

...on the wall

11 to 14

Explore the effect of reflecting in two intersecting mirror lines.

problem

Classical means

16 to 18

Use the diagram to investigate the classical Pythagorean means.

problem

Favourite

Back fitter

14 to 18

10 graphs of experimental data are given. Can you use a spreadsheet to find algebraic graphs which match them closely, and thus discover the formulae most likely to govern the underlying processes?

problem

Favourite

Partly circles

14 to 16

What is the same and what is different about these circle questions? What connections can you make?

problem

Cover the tray

7 to 11

These practical challenges are all about making a 'tray' and covering it with paper.

problem

Favourite

This puzzling sweet shop

7 to 11

There were chews for 2 cents, mini eggs for 3 cents, Chocko bars for 5 cents and lollypops for 7 cents in the sweet shop. What could each of the children buy with their money?

problem

How fast does it grow?

16 to 18

Exponential functions grow pretty quickly...

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Crossings

Building approximations for sin(x)

Making maths: birds from an egg

...on the wall

Classical means

Back fitter

Partly circles

Cover the tray

This puzzling sweet shop

How fast does it grow?