Operations
What is the name of this symbol: ×?
Multiplication sign (or times sign)
A symbol used to represent an unknown value
Variable
A 2D shape with three sides
Triangle
The average of a set of numbers
Mean
The symbol π represents this type of number
Pi (about 3.14)
The opposite operation of addition
Subtraction
A value that makes an equation true
Solution
The distance around a shape
Perimeter
The middle value in a data set
Median
This number appears in every multiplication by zero
0
The result of adding numbers together
Sum
A math sentence with an equals sign
Equation
a2+b2=c2
The Pythagorean Theorem
The most common value
Mode
This shape has no corners
Circle
A number multiplied by itself (like 5 × 5)
Square number
A rule that shows how variables relate (like y = 2x + 1)
Function
A 4-sided shape with opposite sides parallel
Parallelogram
The difference between highest and lowest values
Range
This number is the only even prime number
2
A part of a whole written as one number over another number (like 1/2 or 3/4)
Fraction
This measures how steep a line is
Slope
The space inside a shape
Area
A way to show data using bars
Bar graph
This is the fastest growing number system idea used in science and finance
Exponential growth