problem
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Fractional Triangles
Use the lines on this figure to show how the square can be divided into 2 halves, 3 thirds, 6 sixths and 9 ninths.
problem
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Nine-Pin Triangles
How many different triangles can you make on a circular pegboard that has nine pegs?
problem
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Cut Nets
Each of the nets of nine solid shapes has been cut into two pieces. Can you see which pieces go together?
problem
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Eight hidden squares
On the graph there are 28 marked points. These points all mark the vertices (corners) of eight hidden squares. Can you find the eight hidden squares?
problem
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Ten Hidden Squares
These points all mark the vertices (corners) of ten hidden squares. Can you find the 10 hidden squares?