Addition & Subtraction
-17 + 52
35
14 X -9
-126
Which property is shown?
9 x (1/9) = 1
Inverse Property of Multiplication
-6 and 6 are called ...
Opposites
Rewrite these fractions from smallest to largest 3/7 , -4/3 , 5/9 , -7/8, 8/7
-4/3 , -7/8 , 3/7 , 5/9 , 8/7
34 - (-19)
53
-8 X -12
96
Which property is shown?
a + b = b + a
Commutative Property of Addition
Fill in the Blank: Adding a negative is the same as subtracting a ___________.
Positive
The Extraterrestrials have a score of -300 in a game of Math Fever. They answer four 50-point questions incorrectly. What is their new score?
-500
- 3 - 68
-71
128 / -8
-16
Which property is shown?
-5 + 0 = -5
Identity Property of Addition
In the number sentence 42, the "2" is called the ...
Exponent
Sully wants to take 4 friends to the movies. He is going to pay for tickets ($5.25) and a popcorn ($2.25) for each friend. How much will it cost him, including himself?
$42.50
-123 - (-71)
-52
-54/-3
18
Which property is shown?
6 X (5 X 10) = (6 X 5) X 10
Associative Property of Multiplication
Positive and negative whole numbers, including zero, are called ...
Integers
True or False: The three number sentences below all have the same result.
8 + (-10)
8 - 10
8 - (-10)
False.
8 + (-10) = -2
8 - 10 = -2
8 - (-10) = 8 + 10 = 18
7/8 + -1/4
5/8
1/4 X -6/7 =
-3/14
Which property is shown?
2(x + 8) = 2(x) + 2(8)
Distributive Property
5/8 and 8/5 are called ...
Reciprocals
Jacqueline is $63 in debt. She is paying back $7 week. How much will she still owe after 5 weeks?
$28