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Halloween Investigation
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Halloween Investigation

7 to 11
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Ana and Ross looked in a trunk in the attic. They found old cloaks and gowns, hats and masks. How many possible costumes could they make?
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Investigating Epidemics

11 to 16
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Simple models which help us to investigate how epidemics grow and die out.

Placeholder: several colourful numbers
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Investigation Gallery

16 to 18
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Have you made an interesting discovery in mathematics? Want to share your investigation? Here is the place to do it.
Investigating Pascal's Triangle
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Investigating Pascal's Triangle

7 to 11
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In this investigation, we look at Pascal's Triangle in a slightly different way - rotated and with the top line of ones taken off.

Excel Investigation: Planks
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Excel Investigation: Planks

I have an unlimited supply of planks, of lengths 7 and 9 units. Putting planks end to end, what total lengths can be achieved? Use Excel to investigate.
An Investigation Based on Score
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An Investigation Based on Score

11 to 14

Class 2YP from Madras College was inspired by the problem in NRICH to work out in how many ways the number 1999 could be expressed as the sum of 3 odd numbers, and this is their solution.

Let's Investigate Triangles
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Let's Investigate Triangles

5 to 7
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Vincent and Tara are making triangles with the class construction set. They have a pile of strips of different lengths. How many different triangles can they make?

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