A letter that represents an unknown value.
What is a variable?
x in the following expression:
5x + 3
What is a variable?
a = 5
a + 6
11
2\times6\div4
3
1/2 \times 5/6
5/12
A mathematical phrase that combines numbers, letters, and operations.
What is an algebraic expression?
5x or 3 in the following expression:
5x + 3
What is a term?
x = 9
8x
72
21 - 3 \times 4
9
2/3 \div 4/5
5/6
What are terms?
3 in the following expression:
5x + 3
What is a constant?
p = 6; q = 3
qp
18
15 - 21 \div 7
12
What are the missing values in the ratio table?

15 and 24
A term that only contains a number.
What is a constant?
5 in the following expression:
5x + 3
What is a coefficient?
c = 3; w = 5
4c + w
17
5 + 3^2 \times2
23
The ratio of cups of chocolate chips to cups of flour in a recipe is 1:3. If I used 3 cups of chocolate chips, how many cups of flour should I use?
9 cups
A number that is directly in front of a variable.
What is a coefficient?
a and b in the following expression:
8a - 3b + 14
What are variables?
d = 2; m = 4
m^2 + d
18
6 \div 3 + 9^2 -4
79
What is 30% of 50?
15