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Label Expressions
Vocabulary
Combining Like Terms
Evaluating Expressions
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100

What is the coefficient?

3x2 + 9x

3 and 9

100

The number that is being multiplied by a variable.

What is a Coefficient.

100

2 + 6a + 4a

What is 10a + 2

100

n + 8

Let n = 7

7 + 8

15

100

5(r+9)

What is 5r + 45

200

How many terms are there?

x4 - x2 + x

3

200

A number by itself without a variable.

What is a Constant

200

12a + 3 + 18 - 9a

What is 3a + 21

200

5y + 12


Let y = 3

5(3) + 12

15 + 12

27

200

7(6x + 5y)

What is 42x + 35y

300

What are the coefficients and constants?

36y + 54x - 99z + 77

Coefficients: 36, 54, 99

Constant: 77

300

A mathematical statement with no equal sign.

What is an expression.

300

18 + 7x - 12 + 5x

What is 12x + 6

300

2x + 3y + 5z


Let x = 1, y = 3, and z = -3

2(1) + 3(3) + 5(-3)

2 + 9 + (-15)

11 + (-15)

-4

300

(18x - 3) + (4x + 7)

What is 22x + 4

400

****DOUBLE JEOPARDY****

How many terms and what are the variables?

2x4h + 8g - 20y3 + 77z

Terms: 4

Variables: x, h, g, y, z

400

A letter that represents an unknown value.

What is a variable.

400

6y + 3y - 2y

What is 7y

400

****DOUBLE JEOPARDY****

8h + 9x + 3k + 18 - 20

Let h = 4, x = 9, k = -10

8(4) + 9(9) + 3(-10) + 18 - 20

32 + 81 + (-30) + 18 - 20

113 + (-30) + 18 - 20

83 + 18 - 20

101-20

81

400

(3x - 5) + (4x - 6)

What is 7x - 11

500

****DOUBLE JEOPARDY****

Name the coefficients, constants, variables, and terms

8x2+ 7y -18 + y

Coefficient: 8, 7, 1

Constant: 18

Variables x, y

Terms: 4

500

A number, variable, or numbers and variables connected together (separated by + and - signs in an expression)

What is a term

500

10b + 100 - 75 -b

What is 9b + 25

500

****DOUBLE JEOPARDY****

3(j + k) - 5m + 6n - 23

Let j = 6, k = -12, m = 7, n = 2

3(6 + (-12)) - 5(7) + 6(2) -23

3(-6) - 35 + 12 - 23

-18 - 35 + 12 - 23

-53 + 12 - 23

-41 - 23

-64

500

****DOUBLE JEOPARDY****

17x + 8y - x + 7 - 4y + 5y - 6x + 16 - 4x - y

What is 6x + 8y + 23