Question
Use a number line to evaluate the following:
(+8)- (-5)
(+8)- (-5)
✓
Answer
$
(+8)-(-5)
$
Starting from the position of -5 , count the number of steps needed to reach +8 , we fine 13 steps towards the right.
$
\therefore(+8)-(-5)=+13 \text {. }
$
(+8)-(-5)
$
Starting from the position of -5 , count the number of steps needed to reach +8 , we fine 13 steps towards the right.
$
\therefore(+8)-(-5)=+13 \text {. }
$
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