Stage: 3 Challenge Level: 
What is special about multiples of 2? 3? 4? 6?
You may find the article on Divisibility Tests helpful.
You may find the article on Divisibility Tests helpful.
Generalising. Working systematically. Area. Factors and multiples. Properties of numbers. Visualising. smartphone. Creating expressions/formulae. Multiplication & division. Divisibility.
Published March 1998,February 2011.
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