Rotations
problem
Poly Plug Pattern
Create a pattern on the small grid. How could you extend your pattern on the larger grid?
problem
Attractive Tablecloths
Charlie likes tablecloths that use as many colours as possible, but insists that his tablecloths have some symmetry. Can you work out how many colours he needs for different tablecloth designs?
problem
Attractive rotations
Here is a chance to create some attractive images by rotating shapes through multiples of 90 degrees, or 30 degrees, or 72 degrees or...
problem
Stereoisomers
Put your visualisation skills to the test by seeing which of these
molecules can be rotated onto each other.
problem
HexPentas
How many different ways can you find of fitting five hexagons
together? How will you know you have found all the ways?
problem
Flagged Up
Weekly Problem 31 - 2008
The flag is given a half turn anticlockwise about the point O and is then reflected in the dotted line. What is the final position of the flag?
The flag is given a half turn anticlockwise about the point O and is then reflected in the dotted line. What is the final position of the flag?
problem
Tiles in a public building
What is the same and what is different about these tiling patterns and how do they contribute to the floor as a whole?
problem
Animated Triangles
Watch this "Notes on a Triangle" film. Can you recreate parts of the film using cut-out triangles?