Integers, Powers and Roots

Whole numbers, squares, cubes, roots and the index laws that tie them together.

Index Laws

Master the three index laws — multiplying, dividing and raising a power to a power — plus the rule that any number to the power zero equals 1.

Prime Factors, HCF and LCM

Learn to break any integer into its prime factors using a factor tree, then use the result to find the HCF and LCM of two numbers efficiently.

Squares, Cubes and Roots

Learn to recognise square and cube numbers, find their roots, and understand the inverse relationship between squaring and square-rooting.