Vocabulary
A combination of operations, numbers and variables (letters) with no equal sign.
Expression
The sum of y and 85
y + 85
10x = 30
x=3
Simplify:
3(x+2)
3x + 6
3 + 2 x 4 - 5
6
43 less than h
h - 43
x/3 = 15
Daily Double!
x=45
Daily Double!
Simplify
x + 2y + x + 5y + 1 + 1
2x + 7y + 2
Evaluate when x = 5
3x + 15 - 1
29
Another word for numbers used in expressions and equations that don't change in value.
Constant
The product of c and 23 is 322
23c = 322
x + 5 = 22
x = 17
Simplify:
3x - 9
3(x - 3)
Evaluate when x = 10
7 + 4x - 6/2
44
Another word for the letters used in expressions and equations.
Variable
The quotient of x and 15 is 210
x/15 = 210
x - 34 = 200
x = 234
Simplify:
10y + 25
Daily Double!
5(2y+5)
Daily Double!
Evaluate when x=4
16/x + 5(2)
Daily Double!
14
Daily Double!
What is the number called that is being multiplied by the variable?
Daily Double!
Coefficient
Daily Double!
The product of a number y and 27 is 243
27y = 243
x/20 = 100
x = 2000
Simplify:
9 + 7x +11 - 5x
20 + 2x
Evaluate the following when x=11
10 + 5x / 5 - 1
20