Visualising and representing

problem
Constructing triangles

Age

11 to 14

Challenge level

Generate three random numbers to determine the side lengths of a triangle. What triangles can you draw?
game
Favourite

Snail one hundred

Age

5 to 7

Challenge level

In this game, you throw a dice and move counters along the snail's body and in a spiral around the snail's shell. It is about understanding tens and ones.
problem
Let us divide!

Age

7 to 11

Challenge level

Look at different ways of dividing things. What do they mean? How might you show them in a picture, with things, with numbers and symbols?
problem
How do you see it?

Age

5 to 11

Challenge level

Here are some short problems for you to try. Talk to your friends about how you work them out.
problem
That number square

Age

5 to 11

Challenge level

Exploring the structure of a number square: how quickly can you put the number tiles in the right place on the grid?
problem
How would we count?

Age

5 to 11

Challenge level

An activity centred around observations of dots and how we visualise number arrangement patterns.
problem
Trig reps

Age

16 to 18

Challenge level

Can you deduce the familiar properties of the sine and cosine functions starting from these three different mathematical representations?
problem
Polar bearings

Age

16 to 18

Challenge level

What on earth are polar coordinates, and why would you want to use them?
problem
Factorising with multilink

Age

14 to 16

Challenge level

Can you find out what is special about the dimensions of rectangles you can make with squares, sticks and units?
problem
Always a multiple?

Age

11 to 14

Challenge level

Think of a two digit number, reverse the digits, and add the numbers together. Something special happens...