List

Videos and Interactive Problems

Beelines
problem
Favourite

Beelines

Age
14 to 16
Challenge level
1 out of 3

Is there a relationship between the coordinates of the endpoints of a line and the number of grid squares it crosses?

Exploring cubic functions
problem
Favourite

Exploring Cubic Functions

Age
14 to 18
Challenge level
2 out of 3

Quadratic graphs are very familiar, but what patterns can you explore with cubics?

Picture Story
problem
Favourite

Picture Story

Age
14 to 16
Challenge level
2 out of 3

Can you see how this picture illustrates the formula for the sum of the first six cube numbers?

Speedy summations
problem

Speedy Summations

Age
16 to 18
Challenge level
1 out of 3

Watch the video to see how to add together an arithmetic sequence of numbers efficiently.