Essential Construction Mathematics (Online): 4 CPD Overview: This Smart CPD online seminar familiarizes the builder to various mathematical values (numbers, fractions, percentages, decimals). This seminar educates the builder of the formulae to calculate angles, perimeter, circumference, area and volume. It teaches them to apply these formulae to calculate how much material would be used through examples. After taking this online course the builder will be able to calculate the amount of material required to reduce wastage and also estimate the cost of materials and labour required.