Addition
+3 + (-5)
-2
-5 - (-8) =
+3
-4 +( +11) =
+7
When Roman was feeling ill. When he woke up, his temperature was 102 º F. Two hours later, it was 3º lower. What was his temperature then?
99
Addition
-9 + (-2)
-11
+9 - ( -3)
+12
-15 - (-4) =
-11
An elevator is on the twentieth floor. It goes down 11 floors and then up 5 floors. What floor is the elevator on now?
6
The difference is the answer to what type of math question?
Subtractions
-25 + (+32) =
+7
-32 - (-8) =
-24
+36 - (+8) =
+ 28
If it is 5 º C outside and the temperature will drop 17 º C in the next six hours, how cold will it get?
-12
The product is the answer to what type of math questions?
Multiplication
-125 + ( +15)=
-110
+231 - (+25) =
+206
-3 + (-7) - (+4) =
-14
Abbt has $47 left in her checking account. If she writes a check for $55, what will Josie’s balance be?
-8
The quotient is the answer to what type of math question.
Division
-13 + (-3) + (+9)
-7
-6 - (-5) - (-3) =
-4
-42 - (-5) + (+3) =
-34
It will be – 12º tonight. The meteorologist predicts it will be 25º warmer by noon tomorrow. What will the temperature be by noon tomorrow?
+13
What does the magnitude of a number refer to?
How far it is from "0"