Math
Circles
100

What is the absolute value of -7?

7

100

A letter used to math to represent an unknown amount

Variable

100

What is the line across a circle going through the center called

What is the diameter

100

A letter used to represent an unknown number.

Variable

100

A percent is always out of .....

100

200

(-4) + (-7) =

-11

200

A percent that is taken off of the total amount

Discount, Markdown, Sale

200

What is the line from the center of a circle to a point on the circle called?

200

Simplify the expression.

2x + 5x + 4 + 2

7x + 6

200

What is 20% written as a decimal?

.2

300

(-10) + 15 =

5

300

A percent that is added to an item, but given to the government

Tax

300

What is the area of a circle with a radius of 4?

50.24

300

Simplify the expression:

2(-4x + 5) + 10

-8x + 20

300

I buy a pair of shoes for \$50. If I have to pay an 8% sales tax, how much tax does she pay?

\$4

400

If you multiply or different with different signs, your answer will be ....

Negative

400

A positive or negative whole number

Integer

400

What is the circumference of a circle with a diameter of 8?

25.12

400

Solve the equation:

5x - 8 = 22

x = 6

400

What is 22% of 88, rounded to the nearest whole number?

19

500

-125 divided by -5

25

500

The distance around a circle

Circumferece

500

What is the area of a circle with diameter of 6?

28.26

500

Solve the inequality:

2x + 6 > 10

x = 2

500

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

600

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

600

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

600

What is the diameter of a circle that has a circumference of 56.52?

18

600

Solve the equation:

4(-2x - 5) = 28

x = -6

600

John estimated that he would be \$200 on groceries. He actually paid \$225. What is the percent error?

11.1% under