Length/distance

problem
Lengthy journeys

Age

7 to 11

Challenge level

Investigate the different distances of these car journeys and find out how long they take.
problem
All in a jumble

Age

11 to 14

Challenge level

My measurements have got all jumbled up! Swap them around and see if you can find a combination where every measurement is valid.
problem
Swimmers

Age

14 to 16

Challenge level

Swimmers in opposite directions cross at 20m and at 30m from each end of a swimming pool. How long is the pool ?
problem
Triangle relations

Age

7 to 11

Challenge level

What do these two triangles have in common? How are they related?
problem
A scale for the solar system

Age

14 to 16

Challenge level

The Earth is further from the Sun than Venus, but how much further? Twice as far? Ten times?
problem
Flight path

Age

16 to 18

Challenge level

Use simple trigonometry to calculate the distance along the flight path from London to Sydney.
problem
Sizing them up

Age

5 to 7

Challenge level

Can you put these shapes in order of size? Start with the smallest.
problem
Up and across

Age

11 to 14

Challenge level

Experiment with the interactivity of "rolling" regular polygons, and explore how the different positions of the dot affects its vertical and horizontal movement at each stage.
problem
How far does it move?

Age

11 to 14

Challenge level

Experiment with the interactivity of "rolling" regular polygons, and explore how the different positions of the dot affects the distance it travels at each stage.
problem
Little man

Age

5 to 7

Challenge level

The Man is much smaller than us. Can you use the picture of him next to a mug to estimate his height and how much tea he drinks?