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# LISD 8th Prereq

### Prerequisite and Support Words

area the number of square units covering a surface of a figure
circumference the distance around a circle or its perimeter
coefficient "the number in front of the variable, indicating multiplication (example: the 8 in 8x)"
constant "a term that does not contain a variable. (In 3x+4, the 4 is a constant.)"
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 by the number of data pieces
measures of central tendency "numbers or pieces of data that can represent or summarize a whole set of data, such as mean, median, and mode"
median the middle number when data is arranged in numerical order
mode the number most repeated in a set of data
origin "the point (0, 0) in a coordinate plane where the x-axis and the y-axis intersect."
perfect square the product of two identical whole numbers; its square root is a whole number
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
radius the distance from the center of the circle to the edge
range difference between the greatest and least pieces of data
reasonableness "showing reason or sound judgment; ""a sensible choice"""
sum the solution to an addition problem
surface area the sum of the areas of the faces of a 3-D figure
Venn diagram overlapping circles used to organize data into categories where some information may overlap
Created by: aprilchauvette