terms
parts of an expression separated by a plus or a minus sign
constant
a term without a variable
coefficient
the numerical part of a term that contains a variable
variable
a letter to represent an unknown number
expression
a mathematical phrase that contains numbers, variables, and operations
2
How many terms in 3x -2?
1
How many terms in 4xy?
3
How many terms in 3 - 4x + 2y?
5
What is the coefficient in 5x + 4?
x
What is the variable in 5x + 4?
10
What is the constant in 5x + 10?
6
What is the coefficient in 8 - 6y
y
What is the variable in 8 - 6y
8
What is the constant in 8 - 6y + 7x
12
What is the coefficient in 2 + 15 - 12w?
w
What is the variable in 2 + 15 - 12w?
15
What is the constant in 2x + 15 - 12w?