Reflecting Squarely
Age 11 to 14
Challenge Level
In how many ways can you fit all three pieces together to make shapes with line symmetry?
Shady Symmetry
Age 11 to 14
Challenge Level
How many different symmetrical shapes can you make by shading triangles or squares?
Mirror, Mirror...
Age 11 to 14
Challenge Level
Explore the effect of reflecting in two parallel mirror lines.
...on the Wall
Age 11 to 14
Challenge Level
Explore the effect of reflecting in two intersecting mirror lines.
Attractive Rotations
Age 11 to 14
Challenge Level
Here is a chance to create some attractive images by rotating shapes through multiples of 90 degrees, or 30 degrees, or 72 degrees or...
Transformation Game
Age 11 to 14
Challenge Level
Why not challenge a friend to play this transformation game?
Who is the fairest of them all ?
Age 11 to 14
Challenge Level
Explore the effect of combining enlargements.
Growing Rectangles
Age 11 to 14
Challenge Level
What happens to the area and volume of 2D and 3D shapes when you enlarge them?
Fit for Photocopying
Age 14 to 16
Challenge Level
Explore the relationships between different paper sizes.
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NRICH is part of the family of activities in the Millennium Mathematics Project.
NRICH is part of the family of activities in the Millennium Mathematics Project.