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Teddy Town

There are nine teddies in Teddy Town - three red, three blue and three yellow. There are also nine houses, three of each colour. Can you put them on the map of Teddy Town according to the rules?

4 Dom

Use these four dominoes to make a square that has the same number of dots on each side.

Just Rolling Round

P is a point on the circumference of a circle radius r which rolls, without slipping, inside a circle of radius 2r. What is the locus of P?

Coordinates of Corners

Age 11 to 16

This resource is part of "Dotty Grids - Exploring Coordinates and Vectors"

Move the dots below to make some squares. Can you make a variety of squares whose sides are not parallel to the axes?




If you have a set of four coordinates, is there a quick way to decide (without drawing) whether they form a square?

 
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.
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