Expressions and Equations

Vocabulary

100

This type of math problem has no equal sign.

Expression

200

This type of math problem has an equal sign.

Equation

300

Another word for numbers used in expressions and equations that does NOT have a variable

Constant

400

Another word for the letters used in expressions and equations.

Variable

500

This is what we call the number in front of the variable.

Coefficient

Distributive Property

100

6(f - 4g + 2)

6f - 24 + 12

200

8(2s + 7t)

16s + 56

300

2(10t + 6v)

20t + 12v

400

5(3-x) 

15 - 5x

500

 -2(x - 5y) 

-2x + 10y

Solving

100

4x = -40 

=-10

200

-x / 3 = 20 

x = -60

300

8x - 30 = 50 

x = 10 

400

8n + 7 = 31

x= 3

500

-10 = 10k - 90 

x=8

Combine Like Terms

100

Simplify:

-9k - 3 - 9k -4

-18k - 7

200

u - u - 9u

-9u

300

-9q + 4 - 6q - 7

-15q - 3

400

b + 7b - 3b

5b

500

-6b - 9 - 10b - 8

-16b - 17

Mixed Review

100

Simplify 

2b + (-4b) - 10 + 6

-2b - 4

200

7(1-8n)

7-56n

300

7(5n-8) + 6(4+6n) 

71n - 32

400

9(m+8) + 11(3m+4)

42m + 116

500

1+5p+2y-7p+9-5y

-3y-2p+10