A letter that represents an unknown number.
What is a variable?
What is an expression for:
I have some money and my mom gives me 3 dollars.
X + 3
What is x + 3 when:
x = 4?
7
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
A combination of numbers, variables, and operations that does not have an equals sign.
What is an expression?
What is an expression for:
I have some Halloween candy and my sister steals 2 chocolate bars.
c - 2
What is 2n + 1 when:
n = 3
7
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
A known amount
What is a value?
What is an expression for:
They sold triple the amount of tickets they though they would sell.
3t
What is 5b + 6 when:
b = 2?
16
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
What is a constant?
A waitress makes $11 and hour and, at the end of her shift, had $50 in tips.
11h + 50
What is p + k when:
p = 3
k = 5
8
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
A number in an expression that multiplies a variable and is connected to it.
What is a numerical coefficient?
What is an expression for this situation?
A number of pizza slices needs to be shared equally between 20 students.
p รท 20
What is nt + p when:
n = 2
t = 3
p = 4
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