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Polo Square
problem

Polo Square

7 to 11
Arrange eight of the numbers between 1 and 9 in the Polo Square below so that each side adds to the same total.
Code to Zero
problem

Code to Zero

16 to 18

Find all 3 digit numbers such that by adding the first digit, the square of the second and the cube of the third you get the original number, for example 1 + 3^2 + 5^3 = 135.

Routes 1 and 5
problem

Routes 1 and 5

5 to 7
Find your way through the grid starting at 2 and following these operations. What number do you end on?
Ishango bone
problem

Ishango Bone

7 to 18
Can you decode the mysterious markings on this ancient bone tool?
Primary Proof?
article

Primary Proof?

5 to 7

Proof does have a place in Primary mathematics classrooms, we just need to be clear about what we mean by proof at this level.

Parallel lines
problem
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Parallel Lines

11 to 14

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

Money Problems?
article

Money Problems?

5 to 7
Marion Bond investigates the skills needed in order for children to understand money.
project

The Standing Disease

11 to 16

This short activity encourages students to consider how diseases spread exponentially in an unvaccinated population.

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