addition
20+30
20+30=50
16/-2
16/-2 = -8
-50+20
-50+20= -30
Roy owes his friend ten dollars, and Roy has 55 dollars. how much money will Roy have left after paying his friend?
55-10=45
Roy will have 45 dollars
7x-5
7x-5=-35
9+(-3)
9+(-3)=6
-40/5
-40/5= -8
-108/9
-108/9= -12
-56-20
-56-20=-76
9 x 10
9 x 10 = 90
In the morning, the temperature was -5°F. Later, it increased by 19°F. What was the new temperature?
-5+19=14°F
30/3
30/3= 10
The temperature was -8°F in the morning. It increased by 23°F, then dropped by 31°F. What was the final temperature?
-8+23-31= -16°F
108-75
108-75=33
-5 x -2
-5 x -2 = 10
-10+(-30)
-10+(-30)=-40
75/-5
75/-5= -15
25-10
25-10= 15
-15-5
-15-5=-20
4 x -8
4 x -8 =-32
-15+9
-15+9=-6
20/10
20/10= 2
A submarine is at -82 meters below sea level. It rises 34 meters, then dives down 49 meters. What is the submarine’s final elevation?
-82+34-49= -97
8-4
8-4=4
8 x 2
8 x 2 = 16