Adding
Find the sum
(-6)+(+18)
12
3 - (-9) =
12
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
What is the rule for adding integers with the same sign?
a) The answer is always positive
b) Add the opposite
c) Add and keep the sign
C) add and keep the sign the same.
What is the opposite of -75?
75
-14 + -8 =
=-22
-19 - ( 15) =
-34
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
-3 and +3 are called what?
A) Opposites
B) Zero Sums
C) Absolute Values
opposites
Fill in the blank with < , > or =
-8 __ -6
-8 < -6
-40 + (25) =
-15
-4 - (-6) =
2
Adding Integers: Stephanie has $152 in the bank. she withdraws $20 then deposits $20. How much does she now have?
When you add two negative integers the answer will always be?
Negative
-7 + ___ = 2
9
104 + (-25)
-42 - 10
-52
Subtracting Integers: You owe 5 dollars to your brother. You borrow 12 more dollars from him. What is the total amount you owe?
You owe 17 dollars
(-17)
Subtracting a negative integer is like...
a) adding a positive integer
b) adding a negative integer
c)subtracting a positive one
Adding a positive integer.
Megan & Sam solved -8 - (-5)
Megan got -3, Sam got -13.
_________ is correct.
Megan
-342 + (-875)
-1217
304 - 587
-283
Subtracting Integers: An airplane takes off and then climbs 2500 feet. After 20 minutes, the airplane descends 150 feet. What is the airplane's current height?
2350 ft.
When you add a positive number and a negative number, how do you know if the sum will be positive or negative?
a) The sum will take the sign of the lower absolute value
b) The sum will take the sign of the greater absolute value
c) The sum will be negative
d) the sum will be positive
b) The sum will take the sign of the greater absolute value
Fill in the blank based on if the answer is negative or positive
-8 + -2 = ______
-12 + 8 = ______
5 + (-3) = ______
negative
negative
positive