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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?
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?
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?
Age 7 to 11
Challenge Level
The coloured shapes stand for eleven of the numbers from 0 to 12. Each shape is a different number.
Can you work out what they are from the multiplications below?
This sheet contains a copy of the task and leaves space for recording.
Click here for a poster of this problem.
You may be interested in the other problems in our Number Fluency Feature.
NRICH is part of the family of activities in the Millennium Mathematics Project.