Question

use the number line to subtract.
$-8 - (-5)$
(a) draw two arrows to show $-8 - (-5)$.
(b) $-8 - (-5) = \square$

Explanation:

Step1: Recall subtraction rule

Subtracting a negative is adding its positive: $-8 - (-5) = -8 + 5$.

Step2: Add the numbers

Start at -8, move 5 units right (since we add 5). $-8 + 5 = -3$.

Answer:

-3