Stage: 2 Challenge Level: 
What is the largest number we need to display?
The smallest?
Are there any numerals we need lots of times?
Are there numerals we only need once?
The smallest?
Are there any numerals we need lots of times?
Are there numerals we only need once?
Factors and multiples. Investigations. Visualising. Trial and improvement. Working systematically. Practical Activity. Addition & subtraction. Multiplication & division. Combinations. Interactivities.
Published January 2000.
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