GCSE Maths (AQA)

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Subtracting from a Negative Number

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Number Structure and Calculation

Subtracting from a Negative Number

1:15 Working with Negative Numbers
Spec N2
Previous Adding to a Negative Number Next Multiplying & Dividing Negative Numbers
  • Subtracting a positive number from a negative number results in a more negative number
  • To solve the problem, draw a number line with zero at the right and going down to minus ten
  • Determine whether to move left or right based on the operation (in this case, subtraction)
  • Move left on the number line by the amount specified (in this case, 3 spaces)
  • The result is a more negative number (in this case, negative 10 is further to the left than negative 7)

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