Ideal for learning core arithmetical skills from scratch or refreshing skills that may not have been used for some time, the Arithmetic section covers important foundation topics such as fractions, decimals, percentages and ratios.

# Decimals

This unit discusses the meaning of decimals and how they are related to fractions. Included are rounding to given numbers of decimal places or significant figures. Irrational numbers are also briefly considered. Video tutorial 44 mins.