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SingaporeMaths

Number and Algebra

4 dot points across 4 inquiry questions. Click any dot point for a focused answer with worked past exam questions where available.

How do we simplify algebraic expressions, expand brackets, and factorise to reveal common factors?

Simplify expressions by collecting like terms, expand single and double brackets, and factorise using a common factor
A focused answer to the N(A)-Level Mathematics outcome on algebra. Collecting like terms, expanding single and double brackets, and factorising by taking out a common factor.
8 min answer →

How do we work confidently with whole numbers, fractions and decimals using the four operations and the correct order?

Carry out the four operations on integers, fractions and decimals, apply the order of operations, and round answers sensibly
A focused answer to the N(A)-Level Mathematics outcome on number. The four operations on integers, fractions and decimals, negative numbers, the order of operations, and sensible rounding.
8 min answer →

How do we calculate percentages, percentage change, and everyday money problems such as discounts and simple interest?

Find a percentage of a quantity, express one quantity as a percentage of another, calculate percentage change, and solve money problems including discount, profit and simple interest
A focused answer to the N(A)-Level Mathematics outcome on percentage. Finding a percentage, percentage change, and money problems including discount, profit and loss, and simple interest.
8 min answer →

How do we compare quantities with ratio, work with rates, and solve direct proportion problems?

Express and simplify ratios, divide a quantity in a given ratio, work with rates, and solve direct proportion problems
A focused answer to the N(A)-Level Mathematics outcome on ratio. Simplifying ratios, sharing in a ratio, working with rates such as speed, and solving direct proportion problems by the unitary method.
8 min answer →