Topic 01Mathematics

N1 Number

Integers, prime factorisation, HCF, LCM, index laws, standard form, estimation, upper and lower bounds.

Free explanations and worked examples

Read a clear explanation and try a question before opening the interactive lesson.

Integers, Powers and Standard Form

Prime factorisation, HCF and LCM · Index laws and negative indices · Standard form

Estimation, Bounds and Accuracy

Rounding and Estimation · Upper and Lower Bounds · Surds