Stage: 1 Challenge Level: 
How many children are needed for one triangle? How many children would be needed to make two triangles then?
So if there are twenty-four children, how many triangles can they make at the same time?
You could try drawing the triangles and numbering the corners to show the children.
Quadrilaterals. Interactivities. Multiplication & division. Working systematically. Hexagons. Odd and even numbers. Pentagons. Factors and multiples. Octagons. Mixed triangles.
Published September 2005,November 2009,December 2009.
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