Parts of an Expression
Combining Like Terms
Adding and Subtracting Expressions
Distributive Property
Factoring
Evaluating Expressions
Conversions
100

 2x+1 

What is the variable?

x

100

-2x+5+8x

6x+5

100

(8x+9)+(-6x-2)

2x+7

100

5(3y-2z)

15y-10z

100

5x+35

5(x+7)

100

Evaluate the expression when x=5.


2x+1

11

100

Convert the fraction 3/4 into a decimal.

0.75

200

2a+3-45g-5+823p-4r

How many terms are in the expression?

6 terms

200

8x+7y-4z-2x+6y-10z

6x+13y-14z

200

(8x+9)-(6x-2)

2x+11

200

2(-3x+5)

-6x+10

200

8x-14

2(4x-7)

200

Evaluate the expression when  x=2 and  y=6 .


8x-y

10

200

Convert the fraction 2/3  into a decimal.

0.\bar 6

300

2x+3-4y-9

List all coefficients.

2 and -4

300

-8-5a+3a-8

-2a-16

300

(-3x-9)+(4x+8)

x-1

300

6(-4x+3y)

-24x+18y

300

24x+16

8(3x+2)

300

Evaluate the expression when  x=-3 .


10x-8

-38

300

Convert the fraction  40/96 into a decimal.

0.41\bar6

400

2x-1-3y+2

List all constant terms.

-1 and 2

400

2ab+3a+9b-3bc

2ab+3a+9b-3bc

400

(-8x+2)-(-5x+7)

-3x-5

400

-3(8x+4)

-24x-12

400

72x-18y

18(4x-y)

400

Evaluate the expression when  a=2 and  b=-5 .


4a+9b

-37

400

Convert the decimal 0.2\bar1 into a percent.

21.\bar1 %

500

2-x-4+5

List all coefficients.

-1

500

2x+4-5x+3x-9+5

0

500

(-5x-9)-(-6x-1)

x-8

500

-7(x-2)

-7x+14

500

45xy+81x

9x(5y+9)

500

Evaluate the expression when  x=-2 ,  y=3 , and  z=5 .


9x+4y-5z

-31

500

Convert the fraction 3/8 into a percent.

37.5%