Question

amirs family hiked 2 kilometers on the red trail, 3 kilometers on the green trail, and 1 kilometer on the blue trail. how far did they hike in all?

Explanation:

Step1: List all hiking distances

Distances: $2$ km, $3$ km, $1$ km

Step2: Sum the distances

$2 + 3 + 1 = 6$

Answer:

$2 + 3 + 1 = 6$
6 kilometers