Multiples, Factors and Prime Factors
Fractions, Decimals and Percentages
Fractions and Recurring Decimals
N13 use standard units of mass, length, time, money and other measures (including standard compound measures) using decimal quantities where appropriate
N14 estimate answers; check calculations using approximation and estimation, including answers obtained using technology
N15 round numbers and measures to an appropriate degree of accuracy (e.g. to a specified number of decimal places or significant figures); use inequality notation to specify simple error intervals due to truncation or rounding
N16 apply and interpret limits of accuracy, including upper and lower bounds