Question
Using a number line, evaluate:
(+4) – (-1)
(+4) – (-1)
✓
Answer
$
(+4)-(-1)
$
Mark the points $(+4)$ and $(-1)$ on the same number line, we see that the position of $(-1)$ is 5 units from $(+4)$ to its right
$
(+4)-(-1)=4+1=5
$
(+4)-(-1)
$
Mark the points $(+4)$ and $(-1)$ on the same number line, we see that the position of $(-1)$ is 5 units from $(+4)$ to its right
$
(+4)-(-1)=4+1=5
$
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