Vocabulary
Creating Expressions
Evaluating Expressions
Tables of Values
100

A letter that represents an unknown number.

What is a variable?

100

What is an expression for:

I have some money and my mom gives me 3 dollars. 

X + 3

100

What is x + 3 when:

x = 4?

7

100

What goes in the blank in this table of values?

b l b + 2

1  l    3     

2  l          

3  l    5     

4  l    6    _

4

200

A combination of numbers, variables, and operations that does not have an equals sign.

What is an expression?

200

What is an expression for:

I have some Halloween candy and my sister steals 2 chocolate bars. 

c - 2

200

What is 2n + 1 when:

n = 3

7

200

What goes in the blank in this table of values?

n l 2n + 3

1  l    5     

2  l    7      

3  l            

4  l    11    _

9

300

A known amount

What is a value?

300

What is an expression for:

They sold triple the amount of tickets they though they would sell.

3t

300

What is 5b + 6 when:

b = 2?

16

300

What goes in the blank in this table of values?

t l 4t -3   

1  l    1     

2  l     5    

3  l    9      

4  l          _

13

400
A number in an expression that does not change and is not connected to the variable.

What is a constant?

400
What is an expression for this situation:

A waitress makes $11 and hour and, at the end of her shift, had $50 in tips.

11h + 50

400

What is p + k when:

p = 3

k = 5

8

400

Where is the mistake in this table of values?

x  l 2x + 1

1  l    3     

2  l    4     

3  l    7     

4  l    9    _

when x = 2

500

A number in an expression that multiplies a variable and is connected to it.

What is a numerical coefficient?

500

What is an expression for this situation?

A number of pizza slices needs to be shared equally between 20 students.

p รท 20

500

What is nt + p when:

n = 2

t = 3

p = 4

10
500

Where is the mistake in this table of values?

x  l 6x - 3

1  l    3     

2  l    9     

3  l    12     

4  l    21    _

x = 3