3 out of 3
Swimmers in opposite directions cross at 20m and at 30m from each end of a swimming pool. How long is the pool ?
2 out of 3
Here is a chance to create some Celtic knots and explore the mathematics behind them.
2 out of 3
Explore the hyperbolic functions sinh and cosh using what you know about the exponential function.
1 out of 3
Can you prove that a quadrilateral drawn inside a tetrahedron is a parallelogram?
1 out of 3
If you know some points on a line, can you work out other points in between?
1 out of 3
If I don't have the size of cake tin specified in my recipe, will the size I do have be OK?
1 out of 3
2 out of 3
1 out of 3
Relate these algebraic expressions to geometrical diagrams.
