A directory of useful objects found on the web for teaching Maths.

Browsing by The Australian Curriculum

* defining and comparing prime and composite numbers and explaining the difference between them
* applying knowledge of factors to strategies for expressing whole numbers as products of powers of prime factors, such as repeated division by prime factors or creating factor trees
* solving problems involving lowest common multiples and greatest common divisors (highest common factors) for pairs of whole numbers by comparing their prime factorisation