Number Relationships
a positive counting number
Whole Number
numbers that represent a ratio with division
Fraction
2 expressions that have the same value
equation
The rate of change or constant of proportionality
Unit Rate
Positive x Positive = _____________
Negative x Positive = ____________
Negative x Negative = ____________
positive, negative, positive
a number that can be written as a ratio
Rational Number
the top number of a fraction
numerator
2 expressions that do NOT have the same value
inequality
the coordinate that crosses the y-axis
Y-intercept
The form of an equation that represents a proportional relationship
y=mx
a positive or negative whole number
Integer
The bottom number of a fraction.
denominator
a letter that represents an unknown number
variable
two equivalent ratios are known as a ____________
proportion
A discount, sale, or "% off" are examples of a ______________
markdown
a number that can be used to count with or by
Counting Numbers
the multiplicative inverse of a fraction
reciprocal
a number without a variable that does not change
constant
The constant rate of change in a relationship
Unit rate
Tax, Tip, Interest, are examples of a ____________
markup
a number that can be represented on a number line
Real number
a number less than one but greater than 0
decimal
a number that is directly in front of the variable in an expression or equation
coefficient
the equation for a line
y=mx+b
The distance around any shape is known as ____________
perimeter