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Math Terms - 'A'


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Subtraction symbol

A N
B O
C P
D Q
E R
F S
G T
H U
I V
J W
K X
L Y
M Z


Absolute value - Always a positive number that refers to the distance of a number from 0.  The symbol to show the absolute value is two vertical lines around the number, as: | - 3 | = 3
Acute angle - The measure of an angle between 0 and 90 degrees; or with less than 90 degree radians.  Also a positive angle that measures less than 90 degrees.
Addend - A number involved in addition.  If two numbers are added, both numbers are addends.
Algebra - A branch of mathematics that substitutes letters for numbers.  An algebraic equation represents a scale, what is done on one side of the scale with a number is also done to the other side of the scale.  The numbers are constants.
Algorithm - A step-by-step problem-solving procedure for computational mathematical problems.
Angle - A number involved in addition.  If two numbers are added, both numbers are addends.
Arc - A section or portion of the circumference of the circle.
Area - The space measured in square units that any 2 dimensional shape or polygon occupies.
Arithmetic - A branch of mathematics usually concerned with the four operations (adding, subtracting, multiplication and division) of positive numbers.
Array - A set of numbers that will follow a specific pattern. An orderly arrangement often in rows, columns or a matrix.
Attribute - A characteristic to describe an object usually within a pattern. The attribute usually refers to the shape, size, or color.
Average - The middle or most common in a set of data. There are three types of average in mathematics - the mean, the median and the mode.
Axis - the quadrants of a coordinate plane. The vertical axis is usally referred to as the y axis and the horizontal axis is usually referred to as the x axis.



Copyright © 2005  John Laughlin  All Rights Reserved.