GCSE Maths (AQA)

435 videos | 33 hours

Number Structure and Calculation

Place Value

7:35 Using Numbers
Spec N2
Previous Types of Number Next Ordering Positive & Negative Numbers
  • Each digit in a number represents a multiple of a power of 10
  • Digits are worth different amounts depending on their position within the number
  • The value of each digit decreases in size from left to right
  • Certain digits have special names (units digit, tens digit, hundreds digit, etc.)
  • Other digits use combinations of these names
  • Using a comma every three zeros can be useful in reading large numbers
  • The pattern of naming digits continues (millions, billions, trillions, etc.)
  • At GCSE level, it is important to know up to a hundred million
  • The value of each digit can be named using the power of 10 and multiplier
  • Breaking down numbers in this way is important for naming and explaining the value of each digit in a number.

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