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Curvy Equation
This problem asks you to use your curve sketching knowledge to find all the solutions to an equation.
Clear as Crystal
Making Boxes
Cut differently-sized square corners from a square piece of paper to make boxes without lids. Do they all have the same volume?
A City of Towers
In this town, houses are built with one room for each person. There are some families of seven people living in the town. In how many different ways can they build their houses?
If I Share, Will My Friends Share Too?
Read about how mathematicians used network theory to predict the spread of disease among teenagers.
Meet the Nim Family
Jennifer Piggott and the NRICH team introduce Nim-like games to help children think creatively in mathematics.
The Numbers Give the Design
Make new patterns from simple turning instructions. You can have a go using pencil and paper or with a floor robot.
Exploring Wild and Wonderful Number Patterns
EWWNP means Exploring Wild and Wonderful Number Patterns Created by Yourself! Investigate what happens if we create number patterns using some simple rules.