Factors and Multiples

A year 8 unit of work covering the following topics.
(1) Square Root and Cube Root: Revision of Square Numbers and Cube Numbers from Year 7 work. Square Root, Cube Root.
(2) Factors and Prime Numbers: Listing common factors. Defining a prime number. Recognising a prime number.
(3) Venn Diagrams: Two circle Venn diagrams. Three circle Venn diagrams. Set notation.
(4) Index Form: Writing a number as a product of its prime factors. Writing numbers in index form. Square numbers in index form.
(5) Highest Common Factor, Lowest Common Multiple: Finding the Highest Common Factor of two numbers. Finding the Lowest Common Multiple of two numbers.