problem
Circumference and diameter
Age
11 to 14
Challenge level
Which of these graphs could be the graph showing the circumference of a circle in terms of its diameter ?
problem
Fill me up
Age
11 to 14
Challenge level
Can you sketch graphs to show how the height of water changes in different containers as they are filled?
problem
Whose line graph is it anyway?
Age
16 to 18
Challenge level
Which line graph, equations and physical processes go together?