# Unit 2 Maths list

All the topics you basic need for unit 2 edexcel examination

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Higher Tier What you need to know for Unit 2

GCSE Unit 2 Higher Tier

Whole Numbers, Decimals, Factors and Multiples

Understand and order integers

Add subtract, multiply and divide integers

Round whole numbers to the nearest 10, 100, 1000, ...

Multiply and divide whole numbers by a given multiple of 10

Put digits in the correct place in a decimal number

Write decimals in ascending order of size

Round decimals to a given number of decimal places or significant figures

Multiply and divide decimal numbers by whole numbers and decimal numbers up to 2 dp,

e.g. 266.22 ÷ 0.34

Know that 13.5 ÷ 0.5 = 135 ÷ 5

Check calculations by rounding - e.g. 29 x 31 is approximated by 30 x 30

Find squares; cubes; square roots; cube roots of numbers, with and without a calculator

Understand odd and even numbers, and prime numbers

Find the HCF and LCM of numbers

Write a number as a product of its prime factors, e.g. 108 = 2² x 3³

Introduction to Algebra

Simplify algebraic expressions in one or more like terms by addition and subtraction

Multiply and divide with letters and numbers

Multiply and divide powers of the same letter

Understand and use the index rules to simplify algebraic expressions

Use brackets to expand and simplify simple algebraic expressions

Expand or factorise algebraic expressions involving one pair of brackets

Expand and simplify expressions involving two pairs of brackets

Factorise quadratic expressions (including the difference of two squares)

Fractions and Percentages

Write a fraction in its simplest form and recognise equivalent fractions

Compare the sizes of fractions using a common denominator

Add and subtract fractions by using a common denominator

Write an improper fraction as a mixed number, and a mixed number as an improper fraction

Add and subtract mixed numbers

Understand that a percentage is a fraction in hundredths

Write a percentage as a decimal; or as a fraction in its simplest terms

Write one number as a percentage of another number

Calculate the percentage of given amount

Find a percentage increase/decrease of an amount

Find a reverse percentage, e.g. find the original cost of an item given the cost after a 10%

reduction

Use a multiplier to increase by a given percent, e.g. 1.1 x 64 increases 64 by 10%

Calculate simple and compound interest for two, or more, periods of time

GCSE Maths Unit 2 revision list Higher Tier Page 1 of 3 Linton Village College

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