Sum (+) of Integers
Find the sum
4+16 =
20
What animal can live the longest without water?
The camel
Adding Integers: A football team loses 5 yards on one play and then loses 8 yards on the next play. How many yards did they lose on the two plays?
They lost 13 yards
-13
3 - (-9) =
6
Give me an expression that will equal -2
Answers vary
-12 + 5 =
=-7
What integer is larger?
-57 or -42
-42
Adding Integers: You park in a garage 3 floors below ground level. Then you get in the elevator and go up 12 floors. What floor do you get off the elevator?
9th floor
-19 - ( 15) =
-34
What is an integer?
A whole number
-16 + 17 =
-32 or 1
- 32
Adding Integers: Stephanie has $15 in the bank. She deposits 4 dollars into her account. Use an equation to represent this situation and find the sum.
15 + 4 = 19
71 - (-14) =
85
When you find a sum you are ________.
When you find the difference you are _____________.
Adding
Subtracting
-5 + (-13) =
-18
What is the tallest mountain in the world?
Mount Everest
Subtracting Integers: You are 5 dollars in debt. You borrow 12 dollars more. What is the total amount of your debt?
You owe 17 dollars
(-17)
-14 - (14) =
-28
The answer to adding two negative numbers is:
A) a positive number
B) a negative number
C) can be a positive or a negative number
B
-8+(-4) =
-12
Put in order from least to greatest
-2, 10, -4, 3
-4, -2, 3, 10
Subtracting Integers: One morning in Vernon, the temperature was 19 degrees Celcius. The temperature over night reached -5 degrees Celcius. What is the difference between the morning temperature and the night temperature?
20 degrees
-18 - (-14) =
-4
subtracting a negative is the same as...
A) adding a positive
B) subtracting a positive
C) Adding a negative
A