Vocabulary
Adding Expressions
Subtracting Expressions
Expanding Expressions
Factoring Expressions
100

5x

What is the variable in this expression?

100

(6x + 2) + (7x + 10)

13x + 12

100

13m - (4 + 5m) 

8m - 4

100

6(2x + 4)

12x + 24

100

12a + 3

3(4a + 1)

200

5x

What is the coefficient in this expression?

5

200

(7y + 6) + (8c - 2)

7y + 8c + 4

200

14x - (-4x - 3) 

18x + 3

200

-5(z - 2a) 

-5z + 10a

200

12x - 26

2(6x - 13)

300

-4x + 10y - z +7

How many terms are in this expression?

Four
300

(7 + 8x) + (-3 + 7x) + (4 - 9x)

8 + 6x

300

(5x + 5) - (2x + 4) 

3x + 1

300

x(13y - 11a) 

13yx - 11ax

300

24x - 12y + 48

12(2x - y + 4)

400

6a - 8 + 4b + 7c

What is the constant in this expression?

-8

400

(-2a + b - 1) + (2a - b - 10)

-11
400

(3z - a) - (-3z + 8a)

6z - 9a

400

-4b(2a - 3c + 6)

-8ab + 12cb - 24b

400

21x - 14xy

7x(3 - 2y)

500

x - 4y - z + 8v + 9 

How many terms?
What are the variables?
What are the coefficients?
What is the constant?

Terms: 5
Variables: x, y, z, v
Coefficients: 1, -4, -1, 8
Constant: 9 

500

Nancy and Kevin collect coins. Nancy has x coins. Kevin has 7 coins fewer than 5 times the number of coins Nancy has. Write and simplify an expression for the total number of coins Nancy and Kevin have. 

6x + 7

500

-2(1.5h + 2) - 4(-0.5 + 5h)

-23h - 2

500

6(5(7x-3y)-7)

210x - 90y - 42

500

abc - azy

a(bc - zy)