7th Grade
Math
Math
What is the absolute value of -7?
7
A letter used to math to represent an unknown amount
Variable
What is the line across a circle going through the center called
What is the diameter
A letter used to represent an unknown number.
Variable
A percent is always out of .....
100
(-4) + (-7) =
-11
A percent that is taken off of the total amount
Discount, Markdown, Sale
What is the line from the center of a circle to a point on the circle called?
radius
Simplify the expression.
2x + 5x + 4 + 2
7x + 6
What is 20% written as a decimal?
.2
(-10) + 15 =
5
A percent that is added to an item, but given to the government
Tax
What is the area of a circle with a radius of 4?
50.24
Simplify the expression:
2(-4x + 5) + 10
-8x + 20
I buy a pair of shoes for $50. If I have to pay an 8% sales tax, how much tax does she pay?
$4
If you multiply or different with different signs, your answer will be ....
Negative
A positive or negative whole number
Integer
What is the circumference of a circle with a diameter of 8?
25.12
Solve the equation:
5x - 8 = 22
x = 6
What is 22% of 88, rounded to the nearest whole number?
19
-125 divided by -5
25
The distance around a circle
Circumferece
What is the area of a circle with diameter of 6?
28.26
Solve the inequality:
2x + 6 > 10
x = 2
I buy a new shirt that originally cost $40 dollars. It is on sale for 20% off. How much do I pay now for the shirt after the discount?
$32
A diver starts at 20 feet below sea level. He dives down 40 feet deeper to see a fish. He then swims back up 15 feet to see a coral reef. Where is his location now?
-45 feet
What is the difference between an algebraic expression and an algebraic equation?
Expression: No equal sign; can only be simplified
Equation: Has an equal sign; can be solved
What is the diameter of a circle that has a circumference of 56.52?
18
Solve the equation:
4(-2x - 5) = 28
x = -6
John estimated that he would be $200 on groceries. He actually paid $225. What is the percent error?
11.1% under