These eleven shapes each stand for a different number. Can you use the multiplication sums to work out what they are?

Investigate this balance which is marked in halves. If you had a weight on the left-hand 7, where could you hang two weights on the right to make it balance?

Max and Mandy put their number lines together to make a graph. How far had each of them moved along and up from 0 to get the counter to the place marked?

How does the position of the line affect the equation of the line? What can you say about the equations of parallel lines?

Water freezes at 0°Celsius (32°Fahrenheit) and boils at 100°C (212°Fahrenheit). Is there a temperature at which Celsius and Fahrenheit readings are the same?

Position the lines so that they are perpendicular to each other. What can you say about the equations of perpendicular lines?

There is a particular value of x, and a value of y to go with it, which make all five expressions equal in value, can you find that x, y pair ?

Pupils from Stradbroke Primary School found that there are four points on the circle which are all the same distance from the horizontal axis.

Find out about Magic Squares in this article written for students. Why are they magic?!