Term
|
Definition
| a number's distance from zero on the number line. Example: -2 is 2 units from 0 so the absolute value of -2 is 2 or 1-21 = 2. |
|
|
Term
|
Definition
| any angle that measures is greater that zero but less than 90 degrees. |
|
|
Term
|
Definition
| a triangle in which all angles measure less than 90 degrees. |
|
|
Term
|
Definition
| two rays that meet at a common endpoint. |
|
|
Term
|
Definition
| an estimate of a mathematical value that is not exact but close enough to be of use. |
|
|
Term
|
Definition
a mathematical relationship
expressed as a number, or two or more numbers with operation symbols |
|
|
Term
|
Definition
| the size of a surface, usually expressed in square units. |
|
|
Term
|
Definition
a mathematical progression in which
the difference between any two consecutive numbers in the sequence is the same. |
|
|
Term
|
Definition
a rule that states that the sum or
product of a set of numbers is the same, no matter how the numbers are grouped.
Examples: (x + y) + z = x +( y + z)
x x ( y x z) = (x x y) x 2 |
|
|
Term
|
Definition
the sum of a set of values divided by the number of values. Example: the average of 3,4,7, and 10 is
(3 + 4 + 7 + 10)/4 = 6 |
|
|
Term
|
Definition
| a way of displaying data using horizontal or vertical bars. |
|
|
Term
|
Definition
| [ 1 ] the side or face on which a three-dimensional shape stands; [2] the number of characters a number system contains. |
|
|
Term
|
Definition
| the number system containing ten single digit symbols (0,1,2,3,4,5,6,7,8, and 9} in which the numeral 10 represents the quantity ten. |
|
|
Term
|
Definition
| a point of reference from which measurements can be made. |
|
|
Term
|
Definition
| a type of line graph used to show change over a period of time. |
|
|
Term
|
Definition
a perfectly round shape with all points equidistant from
a fixed point, or center. |
|
|
Term
|
Definition
| (pie chart) a way of displaying statistical data by dividing a circle into proportionally-sized “slices". |
|
|
Term
|
Definition
| the distance around a circle, calculated by multiplying the diameter by the value pi. |
|
|
Term
|
Definition
| a whole number that is the denominator for all members of a group of fractions. |
|
|
Term
|
Definition
a whole number that is a factor of each
number in a set of numbers. |
|
|
Term
|
Definition
| figures that have the same size and shape. The symbol is used to indicate congruence. |
|
|
Term
|
Definition
| a polygon that has no interior angle greater than 180 degrees. |
|
|
Term
|
Definition
| the representation of points in space in relation to reference lines-usually, a horizontal x-axis and a vertical y-axis. |
|
|
Term
|
Definition
| an ordered pair of numbers that describes a point on a coordinate graph. The first number in the pair represents the point's distance from the origin (0,O) along the x-axis, and the second represents its distance from the origin along the y-axis. |
|
|
Term
|
Definition
(v.) to multiply a number by itself and then by itself again.
Example: 2^3 = 2 X 2 X 2 = 8 |
|
|
Term
|
Definition
units of measurement used in the United
States to measure length in inches, feet, yards, and miles; capacity in cups, pints, quarts, and gallons; weight in ounces, pounds, and tons; and temperature in degrees Fahrenheit. |
|
|
Term
|
Definition
| a solid shape with parallel circular bases. |
|
|
Term
|
Definition
| a plane polygon with ten angles and ten sides. |
|
|
Term
|
Definition
| the most commonly used number system, in which whole numbers and fractions are represented using base ten. Example: decimal numbers include 1230, 1.23,0.23, and - 123. |
|
|
Term
|
Definition
| {1}(algebraic) the exponent of a single variable in a simple algebraic term; [2] (algebraic) the sum of the exponents of all the variables in a more complex algebraic term; [3] (algebraic) the highest degree of any term in an equation; [4] (geometric) a unit of measurement of an angle or arc. |
|
|
Term
|
Definition
| a line segment that passes through the center of a circle and divides it in half. |
|
|
Term
|
Definition
| the result obtained when one number is subtracted from another. |
|
|
Term
|
Definition
a mathematical sentence stating that two expressions are equal.
Example: 3 X (7 + 8) = 9 X 5 |
|
|
Term
|
Definition
| a triangle in which each side is of equal length. |
|
|
Term
|
Definition
| a number or expression that is multiplied by another to yield a product. Example: 3 and 11 are factors of 33. |
|
|
Term
|
Definition
| the branch of mathematics concerned with the properties of figures. |
|
|
Term
|
Definition
| a metric unit used to measure mass. |
|
|
Term
| greatest common factor (GCF) |
|
Definition
| the greatest number that is a factor of two or more numbers. Example: 30,60,75 the greatest common factor is 15. |
|
|
Term
|
Definition
| the distance from the base to the top of a figure. |
|
|
Term
|
Definition
| a polygon that has seven sides. |
|
|
Term
|
Definition
| a polygon that has six sides. |
|
|
Term
|
Definition
| a fraction in which the numerator is greater than the denominator. |
|
|
Term
|
Definition
| a statement that uses the symbols > (greater than), < (less than),(greater than or equal to), and (less than or equal to) to indicate that one quantity is larger or smaller than another. Examples: 5 > 3; 2(5 - x) > 3 + 1 |
|
|
Term
| infinite, nonrepeating decimal |
|
Definition
| irrational numbers, such as pi and the square root of 2 that are decimals with digits that continue indefinitely but do not repeat. |
|
|
Term
|
Definition
| the set of all whole numbers and their additive inverses {. . . -5, -4, -3, -2, -1,0,1,2,3,4,5.. .} |
|
|
Term
|
Definition
| the set of all numbers that cannot be expressed as finite or repeating decimals. |
|
|
Term
|
Definition
| a trapezoid in which the two nonparallel sides are of equal length. |
|
|
Term
|
Definition
| a triangle with at least two sides of equal length. |
|
|
Term
|
Definition
| the unit-digit of an item of numerical data between 1 and 99. |
|
|
Term
| least common denominator (LCD) |
|
Definition
| the least common multiple of the denominators of two or more fractions. |
|
|
Term
| least common multiple (LCM) |
|
Definition
| the smallest nonzero whole number that is a multiple of two or more whole numbers. |
|
|
Term
|
Definition
| a measure of the distance of an object from end to end. |
|
|
