Stage: 1 Challenge Level: 
What can you say about all the shapes in a row?
What can you say about the colour of all the shapes in a column?
Working systematically. Tabular data. Investigations. Practical Activity. Multiplication & division. Visualising. Regular polygons. Interactivities. Combinations. Addition & subtraction.
Published June 2000,March 2004,April 2004,January 2009.
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