Fractions, decimals and percentages

What students need to learn:

N10 work interchangeably with terminating decimals and their corresponding

fractions (such as 3.5 and 7

2

or 0.375 or 3

8

); change recurring decimals

into their corresponding fractions and vice versa

N11 identify and work with fractions in ratio problems

N12 interpret fractions and percentages as operators

Measures and accuracy

What students need to learn:

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

2. Algebra

Notation, vocabulary and manipulation

What students need to learn:

A1 use and interpret algebraic manipulation, including:

• ab in place of a × b

• 3y in place of y + y + y and 3 × y

• a

2 in place of a × a, a

3 in place of a × a × a, a

2

b in place of a × a × b

• a

b in place of a ÷ b

? coefficients written as fractions rather than as decimals

? brackets

A2 substitute numerical values into formulae and expressions, including

scientific formulae

A3 understand and use the concepts and vocabulary of expressions, equations,

formulae, identities, inequalities, terms and factors

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