# Leanderisd 7th math ~ Prerequisite/Support Words

## 18 terms

### area

the number of square units covering a surface of a figure

### circumference

the distance around a circle or its perimeter

### diameter

the distance across a circle through its center

### difference

the solution to a subtraction problem

### evaluate

to calculate the answer to an expression or equation

### mean

the mathematical average of the data:found by finding the sum of all the data and dividing it by the number of data pieces

### median

the middle number when data is arranged in numerical order

### mode

the number most represented in a set of data

### perimeter

the distance around a geometric figure or the sum of all its sides

### product

the solution to a multiplication problem

### quotient

the solution to a division problem

the distance from the center of the circle to the edge

### range

difference between the greatest and least pieces of data

### dimensions

the the measurements of a figure's edges (length, width & height)

### equation

a mathematical sentence using numbers and/or variable(s) where both sides are equal

### expression

a combination of numbers, operations and/or variables with no equal sign

### rate

a ratio that compares two numbers with difference kinds of units (for example, gallons:hour, price:item, meters:second, etc.)