Term
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Definition
| The distance of a number from zero; the positive value of a number. |
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Term
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Definition
| A positive angle measuring less than 90 degrees. |
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Term
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Definition
| A triangle each of whose angles measures less than 90 degrees. |
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Term
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Definition
| The number zero is called the additive identity because the sum of zero and any number is that number. |
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Term
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Definition
| The additive inverse of any number x is the number that gives zero when added to x. The additive inverse of 5 is -5. |
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Term
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Definition
| Two angles that share both a side and a vertex. |
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Term
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Definition
| The union of two rays with a common endpoint, called the vertex. |
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Term
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Definition
| A portion of the circumference of a circle. |
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Term
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Definition
| The number of square units that covers a shape or figure. |
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Term
| associative property of addition |
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Definition
| (a + b) + c = a + (b + c) |
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Term
| associative property of multiplication |
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Definition
| (a x b) x c = a x (b x c) |
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Term
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Definition
| A number that represents the characteristics of a data set. |
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Term
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Definition
| A line that passes through a figure in such a way that the part of the figure on one side of the line is a mirror reflection of the part on the other side of the line. |
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Term
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Definition
| The bottom of a plane figure or three-dimensional figure. |
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Term
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Definition
| To divide into two congruent parts. |
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Term
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Definition
| A type of data plot that displays the quartiles and range of a data set. |
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Term
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Definition
| A system in which points on a plane are identified by an ordered pair of numbers, representing the distances to two or three perpendicular axes. |
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Term
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Definition
| An angle that has its vertex at the center of a circle. |
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Term
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Definition
| A line segment that connects two points on a curve. |
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Term
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Definition
| The set of points in a plane that are a fixed distance from a given point, called the center. |
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Term
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Definition
| The distance around a circle. |
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Term
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Definition
| A constant that multiplies a variable. |
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Term
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Definition
| Points are collinear if they lie on the same line. |
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Term
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Definition
| A selection in which order is not important. |
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Term
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Definition
| A factor of two or more numbers. |
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Term
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Definition
| A multiple of two or more numbers. |
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Term
| commutative property of multiplication |
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Definition
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Term
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Definition
| Two angles whose sum is 90 degrees. |
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Term
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Definition
| A natural number that is not prime. |
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Term
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Definition
| A three-dimensional figure with one vertex and a circular base. |
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Term
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Definition
| A value that does not change. |
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Term
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Definition
| The plane determined by a horizontal number line, called the x-axis, and a vertical number line, called the y-axis, intersecting at a point called the origin. Each point in the coordinate plane can be specified by an ordered pair of numbers. |
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Term
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Definition
| Points that lie within the same plane. |
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Term
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Definition
| The natural numbers, or the numbers used to count. |
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Term
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Definition
| If a first event has n outcomes and a second event has m outcomes, then the first event followed by the second event has n times m outcomes. |
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Term
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Definition
| A product found by multiplying the numerator of one fraction by the denominator of another fraction and the denominator of the first fraction by the numerator of the second. |
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Term
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Definition
| A solid figure with six square faces. |
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Term
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Definition
| A three-dimensional figure having two parallel bases that are congruent circles. |
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Term
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Definition
| Information that is gathered. |
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Term
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Definition
| The numbers in the base 10 number system, having one or more places to the right of a decimal point. |
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Term
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Definition
| A unit of measure of an angle. |
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Term
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Definition
| The bottom part of a fraction. |
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Term
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Definition
| Two events in which the outcome of the second is influenced by the outcome of the first. |
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Term
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Definition
| The line segment connecting two nonadjacent vertices in a polygon. |
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Term
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Definition
| The line segment joining two points on a circle and passing through the center of the circle. |
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Term
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Definition
| The result of subtracting two numbers. |
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Term
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Definition
| The ten symbols, 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9. The number 215 has three digits: 2, 1, and 5. |
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Term
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Definition
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Term
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Definition
| In a / b = c, a is the dividend. |
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Term
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Definition
| In a / b = c, b is the divisor |
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Term
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Definition
| The set of all points in a plane such that the sum of the distances to two fixed points is a constant. |
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Term
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Definition
| A mathematical statement that says that two expressions have the same value; any number sentence with an =. |
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Term
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Definition
| A triangle that has three equal sides. |
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Term
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Definition
| Two equations whose solutions are the same. |
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Term
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Definition
| Fractions that reduce to the same number. |
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Term
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Definition
| The difference between an approximate measurement and the actual measure taken. |
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Term
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Definition
| To substitute number values into an expression. |
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Term
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Definition
| A natural number that is divisible by 2. |
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Term
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Definition
| In probability, a set of outcomes. |
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Term
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Definition
| A number that indicates the operation of repeated multiplication. |
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Term
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Definition
| Fractions that reduce to the same number. |
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Term
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Definition
| One of two or more expressions that are multiplied together to get a product. |
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Term
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Definition
| To break a number into its factors. |
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Term
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Definition
| A flat surface of a three-dimensional figure. |
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Term
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Definition
| A equation that states a rule or a fact. |
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Term
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Definition
A number used to name a part of a group or a whole. The number below the bar is the
denominator, and the number above the bar is the numerator. |
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Term
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Definition
| The number of times a particular item appears in a data set. |
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Term
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Definition
| A data listing which also lists the frequencies of the data. |
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Term
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Definition
| A type of drawing used to represent data. |
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Term
| greatest common factor (GCF) |
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Definition
| The largest number that divides two or more numbers evenly. |
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Term
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Definition
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Term
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Definition
| The side opposite the right angle in a right triangle. |
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Term
| identity property of addition |
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Definition
| The sum of any number and 0 is that number. |
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Term
| identity property of multiplication |
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Definition
| The product of 1 and any number is that number. |
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Term
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Definition
| A fraction with a numerator that is greater than the denominator. |
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Term
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Definition
| Two events in which the outcome of the second is not affected by the outcome of the first. |
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Term
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Definition
| A mathematical expression which shows that two quantities are not equal. |
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Term
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Definition
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Term
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Definition
| An angle placed inside a circle with its vertex on the circle and whose sides contain chords of the circle. |
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Term
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Definition
| A polygon placed inside a circle so that each vertex of the polygon touches the circle. |
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Term
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Definition
| The set of numbers containing zero, the natural numbers, and all the negatives of the natural numbers. |
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Term
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Definition
The x-intercept of a line or curve is the point where it crosses the x-axis, and the y- intercept of a
line or curve is the point where it crosses the y-axis. |
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Term
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Definition
| The arc of a circle within an inscribed angle. |
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Term
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Definition
| A method for estimating values that lie between two known values. |
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Term
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Definition
| Lines that have one and only one point in common. |
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Term
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Definition
Opposite. -5 is the additive inverse of 5, because their sum is zero. 1/3 is the multiplicative
inverse of 3, because their product is 1. |
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Term
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Definition
| Two operations that have the opposite effect, such as addition and subtraction |
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Term
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Definition
| A number that cannot be expressed as the ratio of two integers. |
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Term
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Definition
| A triangle with at least two equal sides. |
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Term
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Definition
| The smallest multiple of the denominators of two or more fractions. |
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Term
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Definition
| The smallest nonzero number that is a multiple of two or more numbers. |
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Term
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Definition
| Fractions that have the same denominator. |
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Term
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Definition
| A straight set of points that extends into infinity in both directions. |
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Term
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Definition
| Line that divides a geometric figure into two congruent portions. |
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Term
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Definition
| Two points on a line, and all the points between those two points. |
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Term
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Definition
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Term
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Definition
| The study of sound reasoning. |
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Term
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Definition
| Simplest form; when the GCF of the numerator and the denominator of a fraction is 1. |
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Term
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Definition
| In a data set, the sum of all the data points, divided by the number of data points; average. |
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Term
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Definition
| The middle number in a data set when the data are put in order; a type of average. |
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Term
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Definition
| A point on a line segment that divides the segment into two congruent segments. |
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Term
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Definition
| A number written as a whole number and a fraction. |
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Term
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Definition
| A type of average; the number (or numbers) that occurs most frequently in a set of data. |
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Term
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Definition
A multiple of a number is the product of that number and any other whole number. Zero is a
multiple of every number. |
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Term
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Definition
| The number 1 is the multiplicative identity because multiplying 1 times any number gives that number |
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Term
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Definition
| The reciprocal of a number. |
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Term
| mutually exclusive events |
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Definition
| Two or more events that cannot occur at the same time. |
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Term
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Definition
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Term
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Definition
| A real number that is less than zero. |
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Term
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Definition
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Term
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Definition
| A line on which every point represents a real number. |
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Term
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Definition
| The top part of a fraction. |
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Term
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Definition
| An angle whose measure is greater than 90 degrees. |
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Term
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Definition
| A triangle with an obtuse angle. |
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Term
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Definition
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Term
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Definition
| A whole number that is not divisible by 2 |
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Term
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Definition
| Addition, subtraction, multiplication, and division are the basic arithmetic operations. |
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Term
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Definition
| Two numbers that lie the same distance from 0 on the number line but in opposite directions. |
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Term
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Definition
Set of two numbers in which the order has an agreed-upon meaning, such as the Cartesian
coordinates (x, y), where the first coordinate represents the horizontal position, and the second
coordinate represents the vertical position. |
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Term
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Definition
| The point (0, 0) on a coordinate plane, where the x-axis and the y-axis intersect. |
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Term
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Definition
| In probability, a possible result of an experiment. |
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Term
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Definition
| Two lines are parallel if they are in the same plane and never intersect. |
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Term
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Definition
| A quadrilateral with opposite sides parallel. |
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Term
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Definition
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Term
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Definition
A fraction, or ratio, in which the denominator is assumed to be 100. The symbol % is used for
percent. |
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Term
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Definition
| The sum of the lengths of the sides of a polygon. |
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Term
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Definition
| A way to arrange things in which order is important. |
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Term
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Definition
| Two lines are perpendicular if the angle between them is 90 degrees. |
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Term
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Definition
| The ratio of the circumference of a circle to its diameter. |
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Term
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Definition
| A flat surface that stretches into infinity. |
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