Subtracting Integers
Subtract the integers
7 - 10
-3
Add the integers
6+(-4)
2
Multiply the integers
-3(9)
-27
Divide the integers
-15 ÷ 3
-5
How would you represent owing someone $10 as an integer?
-10
-6 - 56 = 50
False -62
Give an example of numbers that are opposites
Subtract the integers
-85 - 47
-132
Add the integers
-63+22
-41
Multiply the integers
6(-42)
-252
Divide the integers
-28 ÷ 7
-4
Ms. Taylor has $47 left on her checking account. If she writes a check for $55, what will her new balance be?
$ -8.00
-8 - (-6)= -12
False -2
What is the definition of "integer"
Any whole number positive or negative
Subtract the integers
246- (-34)
280
Add the integers
-55 + (-36)
-91
-7(-7)(-1)
-49
Divide the integers
-48 ÷ -6
8
Write a real-world problem to represent the following:
-2 x 10 = -20
Answers may vary.
-9 + (-7)= 2
FALSE
What is the definition of "absolute value"
Subtract the integers
-9 - 4 - 4
-17
Add the integers
-12 + (-4) + 3 + (-6)
-19
Multiply the integers
(-1/3) x (-1/2)
1/6
Divide the integers
-2/5 ÷ 3/4
-8/15
Write an equation to represent the following problem. Solve the problem
An elevator is on the twentieth floor. It goes down 11 floors and then up 5 floors. What floor is the elevator on now?
20 + (-11) + 5 = 14
OR
20 - 11 + 5 = 14
-9(7)(-3)= 180
False 189
What is a negative times a negative?
A positive
Subtract the integers
(-56) - 72 + 416
288
Add the integers
-15/24 + 8/24
-7/24
-7(-6)(0.5)
21
Divide the integers
4/9 ÷ (-3)
-4/27
the average temperature of the south pole is -45 degrees and the average temperature of the equator is 92 degrees. How much warmer is the average temperature on the equator than the south pole?
137 degrees warmer
15 - (-5) + 9 - 80 = -51
true
What is the definition of rational numbers?
give 3 examples.
integers that can be written as decimals and fractions
answers may very.