You may also like

Traffic Lights

The game uses a 3x3 square board. 2 players take turns to play, either placing a red on an empty square, or changing a red to orange, or orange to green. The player who forms 3 of 1 colour in a line wins.

Sumo

A number game requiring a strategy.

Daisy

In this game for two players, take it in turns to shade one petal, or two petals next to each other. Is it better to go first or second?

Board Block Challenge

Age 7 to 11
Challenge Level

Since this is essentially a game we did not expect many "solutions" although we do like to hear about strategies you use in games, even if you haven't come up with a strategy which always works yet.
The NRICH Project aims to enrich the mathematical experiences of all learners. To support this aim, members of the NRICH team work in a wide range of capacities, including providing professional development for teachers wishing to embed rich mathematical tasks into everyday classroom practice.
Copyright © 1997 - 2022. University of Cambridge. All rights reserved.
NRICH is part of the family of activities in the Millennium Mathematics Project.