Stage: 2 Challenge Level: 
Some dotted square or triangular paper would be useful.
You could use counters, cubes, anything instead of beads if you don't have them.
Quadrilaterals. Addition & subtraction. Regular polygons. Factors and multiples. Investigations. Counters. Working systematically. Mixed triangles. Multiplication & division. Divisibility.
Published June 2000.
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