7th grade Review!

7th Grade Math

100

What is the absolute value of -7?

7

200

(-4) + (-7) =

-11

300

(-10) + 15 =

5

400

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

Negative

500

-125 divided by -5

25

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 

7th Grade Vocabulary

100

A letter used to math to represent an unknown amount

Variable

200

A percent that is taken off of the total amount

Discount, Markdown, Sale

300

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

Tax

400

A positive or negative whole number

Integer

500

The distance around a circle

Circumferece

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

7th GradeCircles

100

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

What is the diameter 

200

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

Radius 

300

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

50.24

400

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

25.12

500

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

28.26

600

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

18

7th Grade Algebra

100

Anita earns 60 points every time she shops at a grocery store. She needs a total of 2,580 points to receive a free prize. So far, she has earned 480 points. How many more times will Anita have to shop at the grocery store in order to earn the additional points she needs for a free prize?

35

200

Simplify the expression.

2x + 5x + 4 + 2

7x + 6

300

Simplify the expression:

2(-4x + 5) + 10

-8x + 20

400

Solve the equation:

5x - 8 = 22

x = 6

500

Solve the inequality:

2x + 6 > 10

x = 2

600

Solve the equation:

4(-2x - 5) = 28

x = -6

7th Grade Percents

100

A percent is always out of .....

100

200

What is 20% written as a decimal?

0.2

300

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

$4.00

400

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

19

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

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

11.1% under