GCSE Maths (AQA)

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Number Structure and calculation

Basic Addition & Subtraction

3:35 Apply the four operations, including formal written methods, to integers, decimals and simple fractions (proper and improper), and mixed numbers – all both positive and negative; understand and use place value (eg when working with very large or very small numbers, and when calculating with decimals)
Spec N2
Previous Adding or Subtracting a Negative Number Next Basic Division
  • Addition is the sum of two numbers, giving their total value
  • Subtraction is taking one number away from another, giving the difference between them
  • Subtraction is the inverse operation of addition
  • Addition and subtraction are inverse operations
  • Addition and subtraction can be used to undo each other
  • Some non calculator exam questions may require using addition and subtraction to find the answer
  • Addition and subtraction can be used to solve difficult subtraction problems indirectly

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274

questions for Number

220

questions for Structure and calculation