choose and use addition, subtraction, multiplication and division, or combinations of these operations, to solve practical problems
evaluate fractions and decimals of quantities to the required number of decimal places; for example, 3/4 of 250 ml, 0.4 of 3kg
use a calculator appropriately and efficiently for multi-step calculations
calculate a percentage of a given amount, using mental/written strategies or technology when appropriate
determine one amount expressed as a percentage of another
apply percentage increases and decreases in situations, for example, mark-ups and discounts and GST
