A number sentence with an equal sign
Equation
A comparison using >, or ,<
Inequality
The steepness of a line
Slope
A letter used to represent a number
Variable
A polygon with 3 sides
Triangle
The answer to a multiplication problem
Product
A ratio comparing part to whole
Percent
A number that cannot be written as a fraction
Irrational number
A mathematical statement showing equality
Equation
The distance around a circle
Circumference
The top number in a fraction
Numerator
A figure with the same shape but different size
Similar figures
A relationship where two quantities change together
Direct variation
The point where a graph crosses the y-axis
y-intercept
A triangle with all equal sides
Equilateral triangle
A number divisible by another number
Factor
The answer to a division problem
Quotient
A line that never touches another line
Parallel lines
A graph showing all solutions to an equation
Solution set
The amount of space inside a figure
Area
A number written using a decimal point
Decimal
A percent greater than 100%
Percent Increase
A transformation that flips a figure
Reflection
A function whose graph is a straight line
Linear function
A 3D figure with two congruent circular bases
Cylinder