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Chocolate

There are three tables in a room with blocks of chocolate on each. Where would be the best place for each child in the class to sit if they came in one at a time?

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Four Triangles Puzzle

Cut four triangles from a square as shown in the picture. How many different shapes can you make by fitting the four triangles back together?

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Cut it Out

Can you dissect an equilateral triangle into 6 smaller ones? What number of smaller equilateral triangles is it NOT possible to dissect a larger equilateral triangle into?

The Deca Tree

Age 7 to 11 Challenge Level:

How many leaves are there on ten twigs?
How many leaves did the Deca Tree have before the woodcutter came along?
How many leaves did the woodcutter chop off each time?