Review Game

Integers

100

-3 + 6 - 3 =

0

200

-3 + 66 + -93 + 10 = 

-20

300

-3 x -21 x -8 = 

-504

400

-12 x -8 divided by 4

24

500

True or False:

15 - (-5) + 9 - 80 = -51

True

Simplifying Expression

100

Simplify:

2(2x + 1) + 5x= 

9x + 2

OR

2 + 9x

200

Simplify:

10x +3(8x + 2) = 

34x + 6

OR

6 + 34x

300

Simplify:

11x + 3 - 4(9x - 1) = 

-25x + 7

OR

7 - 25x

400

Simplify:

11(8r + 3) - 2(-9 + 6r) =

76r + 51

500

Simplify:

-9(1 - 10n) - 2(3n + 9) =

84n - 27

OR 

-27 + 84n

Identifying parts of an expression

100

6x2 - 5x + 3

Identify the constant in the expression above.

3

200

7a2 + 4a + 1

Identify the terms in the expression above.

7a2 , 4a , 1

300

9z² - 3

What is the 9 in the expression above called?

the coefficient

400

What is the difference between an expression and an equation?

An equation has an equal sign and expressions do not.

500

5y2 - 3y + 15

Identify each part of the expression above. (terms, coefficients, variables, exponents, and constants)

Terms: 5y2 , 3y , 15

Coefficients: 5 & 3

Variables: y

Exponents: 2

Constants: 15

Solving equations (+/-)

100

Solve the equation and then check your answer:

9 = x -12

x= 21

Check your solution:

9 = 21 -12

9 = 9

200

Write the verbal sentence as an equation. Tell whether 12 is a solution. 

The difference of 17 and x is 4. 

17 - x = 4; 12 is not a solution. 

300

Solve the equation:

c - 2.59 = 1.48 

4.07

400

Solve the equation:

-4.2 + 17.9 - 3.5 + x = 18.4

x = 8.2

500

An engineer receives a promotion that includes a raise of 1,381 KD in her annual salary. Her new salary is   

15,574 KD. What was the engineer's salary before the promotion?

Write an equation to solve this problem. Use s as your variable.

Equation: s + 1,381 = 15,574 

Answer: s= 14,193 KD

Solving equations (x/÷)

100

Solve the equation and then check your answer:

-3r = 87

-29

200

Write the verbal sentence as an equation. Tell whether 12 is a solution.

The quotient of a and 4 is 3. 

a/4= 3; 12 is a solution. 

300

Solve the equation:

-9.12 = -2.4y 

3.8

400

Solve the equation:

(5a)(5) = -130

a= 65

500

Starting with a full tank of gas, your family's car is driven 420 miles and then refueled. It takes 12 gallons of gas to fill the car's tank. How many miles per gallon did the car get?

Write an equation to solve this problem. Use g as your variable.

35 mil/gal