Question

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

Explanation:

Step1: Rewrite subtraction as addition

$-8 - (-5) = -8 + 5$

Step2: Calculate the sum

$-8 + 5 = -3$

Step3: Number line visualization

1. First arrow: Start at 0, draw left to $-8$ (represents $-8$).
2. Second arrow: From $-8$, draw right 5 units (represents adding $5$), ending at $-3$.

Answer:

(a) (Arrow 1: 0 → -8 leftward; Arrow 2: -8 → -3 rightward, 5 units)
(b) $-3$