Stage: 2 Challenge Level: 
Harriet sent in
this solution. Well done!
She has explained her method in the middle of the grid.
Can you see how she did it?
Is this the only solution using her method?
Multiplication & division. Combinations. Factors and multiples. Working systematically. Practical Activity. Addition & subtraction. Investigations. Visualising. Trial and improvement. Interactivities.
Published March 1999.
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