Sum (+) of Integers
Find the sum
(-6)+(+20)
14
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
Integers include what types of numbers?
Positive and negative
How do you tell if a problem is a Battle or Teamwork? What do you look for?
If the integers have the same signs it is a teamwork. If they have opposite signs, it is a battle.
Choose greater than, less than, or equal to as your answer.
The Absolute Value of 92 is ____________ than the Absolute value of -85
< GREATER
-73 + 44 =
-29
Adding Integers: You park in a garage 3 floors below ground level (is this a positive or negative number?). Then you get in the elevator and go up 12 floors. What floor do you get off the elevator?
Hint: set this up as an addition of integers problem and then solve!
9th floor
True or false:
The distance a number is away from zero is known as Absolute Value
TRUE
My favorite subject is......
Math - of course!
The absolute value of -7 is (greater than, less than or equal to) -5
< LESS THAN
-330 + (-16) =
-346
Adding Integers: Stephanie has $152 in the bank. She withdraws $20 then deposits $84 How much money is in her bank account?
Hint: start by determining whether each number is a positive or negative number and then solve.
216
When you find a sum you are ________.
When you find the difference you are _____________.
Adding
Subtracting
True or false:
The absolute value of a number is always positive?
TRUE. Since absolute value measures the distance from zero, it is impossible to have a negative distance so absolute values are always positive numbers.
-49 + (-21) is (greater than, less than, or equal to) the absolute value of -18?
> GREATER
Solve -5 + (5) - 19 + 40 =
Hint: put the positive integers in one column and the negative integers in another.
21
You are 5 dollars in debt. You borrow 12 dollars more. What is the total amount of your debt?
You owe 17 dollars
(-17)
What is the name for a whole number that can be negative or positive, and that don't involve fractions?
Integer
True or False:
Negative integers added to negative integers equal more negative integers.
True, that is a teamwork!
A submarine is 35 feet below sea level and moves up 10 feet. Using this info, create a math problem and solve it.
-35 + 10 = -25
Solve:
-8 + (-4) + 12 + (-7) + (-27) + 31 =
Hint: line up your positive integers and negative integers in separate columns. Total up your columns and then create a simple addition of integers problem.
-3
An airplane takes off and climbs to 2500 feet. After 20 minutes, the airplane descends 200 feet. What is the airplane's current altitude?
2300 ft.
If you earn $123, spent $35, donated $20 to an animal shelter and received a gift of $90, how much money do you have?
$58
When adding many different integers together, name some steps to use in solving?
a. put your negative and positive numbers in separate columns
b. tally up the columns
c. set up a simple addition of integers problem involving just your two tallied numbers
d. solve
e. pat yourself on the back for being so smart!
Put in order from least to greatest
-2, 10, -4, 3
-4, |-2|, 3, 10