Adam arrives to a meeting $5$5 minutes early, and he leaves as soon as the meeting ends, $50$50 minutes after he got there.
Which of the following expressions could we use to calculate the length of the meeting?
How long did the meeting go for?
A submarine is $58$58 m below sea level, and it descends $13$13 m.
How far below sea level is it?
Amelia and James are players on a game show. Amelia has $60$60 points and James has $-80$−80 points. How many more points than James does Amelia have?
The planet Athas experiences drastic changes in temperature over the course of the day. On one day it reached a minimum temperature of$-270$−270°F, but then warmed up to a maximum temperature of $-140$−140°F.
What was the temperature change that day?