Add the integers
(+6) + (-4) =
+2
Subtract the integers
(+7) - (+10) =
-3
An elevator starts at floor 8. It goes up 11 floors, and then down 3 floors. What floor is the elevator on now?
Floor 16
Which body system is the spinal cord part of?
Nervous system
Add the integers
(-3) + (+2) =
-1
Subtract the integers
(-5) - (+7) =
-12
A bank account changes by -$5 each day for 4 days? By how much does the account change?
-20
What is the largest ocean in the world?
Pacific Ocean
Add the integers
(-5) + (-6) =
-11
Subtract the integers
(+6) - (-4) =
+10
The freezer temperature changes -3 degrees C each hour. What is the total change after 8 hours?
-24 degrees Celsius
Earth
Add the integers
(-12) + (-4) + (-3) =
-19
Subtract the integers
(-9) - (+4) - (+1) =
-14
A submarine moves downward 24 meters in 8 seconds. At what rate is the submarine going down?
-3 meters / second
What is the largest bone in the human body?
Femur
Add the integers
(-20) + (+3) =
-17
Subtract the integers
(-4) - (-6) =
+2
The company started with $50,900. After the last four days they have spent $53,830 and earned $17,200. How much do they have after the last four days?
$14,270 left
What are the names of all seven continents?
Antarctica, Africa, Asia, Europe, North America, South America, Oceania