Negative numbers are mainly used with coordinates and temperature. Use negative numbers in addition and subtraction problems including subtracting a negative number.
Part of Application of MathsNumeracy skills
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Look at these examples then try the following questions.
\(- 2 - 3 = \,-\,2 + (\,-\,3) = \,-\,5\)
\(- 11 - 4 = - 11 + (\,-\,4) = -\,15 \)
\(- 4 - 5\)
\(- 4 - 5 = -\,4 + (\,-\,5) = -\,9\)
\(- 19 - 2\)
\(- 19 - 2 = -\,19 + (\,-\,2) = -\,21\)