Expressions and Equations
Simplify:
-2(x + 9)
-2x - 18
1/2 or 50%
What is 25% of $250?
$62.50
Whole numbers and their opposites, including zero.
What are Integers?
The amount of space inside of a shape.
What is area?
Name the property:
4 + 2x = 2x + 4
What is the Commutative Property?
The middle number in a set of data (after placing the numbers in order from least to greatest.)
What is the median?
Is 17/4 equivalent to 51/12?
Yes
A positive number times a negative number is a __________ number.
Negative
The distance around the outside of a circle.
What is circumference?
Solve for x:
4x - 4 = 8
x = 3
The average of a data set (sum of the divided by the number of data points).
What is the mean?
What is the probability of rolling a 1 or a 6 on a standard die?
2/6 or 1/3
Subtracting a negative number causes the value to increase or decrease?
Increase! (Taking away a negative makes it more positive)
Find the area of a triangle with a base of 3 inches and a height of 4 inches.
4 in2
Name the property:
a(b + c) = ab + ac
What is the Distributive Property?
Find the mean of the following basketball scores:
25, 32, 33, 40, 25
What is 31.
A triangle has side lengths 12, 15, and 8. A similar triangle has side lengths 4, 5, and 2.66.... Find the scale factor from the first triangle to the second.
1/3
The distance from zero on a number line.
What is the absolute value?
The sum of the areas of each side of a three-dimensional shape.
What is surface area?
Solve the inequality:
-3x - 8 > -11
x < 1
Find the outlier of the following test scores:
88, 89, 92, 95, 99, 39, 91, 95, 89, 89
What is 39?
What is the probability of flipping heads 3 times in a row on a standard coin?
1/8
Convert 4/5 to a decimal. Is this terminating or repeating?
0.8 Terminating
A cube has an edge length of 4 cm. Find its volume.
64 in3