Vocabulary
What is a variable?
a letter
8 more than m
m + 8 or 8 + m
The difference of a number and 13 equals 3. Write an equation,
n - 13 = 3
solve 7 - b = 4
b = 3
What is the difference between an expression and equation?
equation has an =
What is a constant?
a number that does not change
52 less than y
y-52
The sum of m and 26 gives you 126
m + 26 = 126
solve b - 7 = 10
b = 17
expression or equation 7 + 10
expression
What is a coefficient?
The number multiplied with a variable.
32 more than a number
n + 32
10 less than s is 38
s-10 = 38
solve 7 + m = 97
m = 90
expression or equation m+9 = 19
equation
What is an exponent?
A small number raised to the right of a number.
The quotient of 50 and d
50 / d
A guitar teacher charges $25 per hour to teach. Write an equation to find the total hours (H) in order to earn $500
25H = 500
solve 4x = 16
x=4
expression or equation 62f+9
expression
What is a term?
the parts added or subtracted in an expression.
4 more than 3 times a number
3n + 4
The product of 26 and b gives you 130
26b = 130
solve 81 = 9y
y = 9
expression or equation 55=8n
equation