| A | B |
| Absolute value | distance between a number and 0 on number line |
| Addition property of equality | adding same number to each side of an equation produces equivalent equation |
| Addition property of inequality | adding same number to each side of an inequality the inequality remains true |
| Additive inverse | opposite of a number |
| Additive inverse property | sum of an integer and its additive inverse is 0 |
| Adjacent angle | two angles that share a common side and same vertex |
| Associative properties of addition and multiplication | changing the grouping of addends or factors does not change the sum or product |
| Capacity | amount a container can hold |
| Center of a circle | point inside a circle that is same distance from all points on circle |
| Center of rotation | fixed point about which a figure is rotated |
| Circumference | distance around a circle |
| Cumulative properties of addition and multiplication | changing the order of addends or factors does not change the sum or product |
| Complimentary angles | two angles whose measures have a sum of 90 degrees |
| Composite number | whole number greater than1 with factors other than itself and 1 |
| Composite solid | figure that is made up of more than one solid |
| Cone | solid that has one circular base and one vertex |
| Congruent figures | figures that have exactly the same size and shape |
| Constant term | term that has a number but no variable |
| Corresponding angles | matching angles of two similar figures |
| Corresponding sides | matching sides of two similar figures |
| Cross products | the products of axd and bxc in a proportion a/b=c/d where b and d not equal to zero |
| Cube | number raised to the third power |
| Dependent events | two events such that the occurrence of one event affects the likelihood that the other event will occur |
| Diameter of a circle | distance across a circle through the center |
| Dilation | transformation in which a figure is enlarged or reduced |
| Discount | decrease in the original price of an item |
| Distributive property | multiply each number in a sum or difference by a number inside parenthesis then evaluate |
| Division property of equality | dividing each side of an equation by the same number produces an equivalent equation |
| Division property of inequality | divide each side of an inequality by same positive number-the inequality remains true and if divide each side by same negative number-the inequality symbol mush be reversed for the inequality to remain true |
| Equation | mathematical sentence that uses an equal sign to show that two expressions are equal |
| Equivalent equation | equations that have the same solution |
| Event | collection of one or more favorable outcomes of an equation |
| Experimental property | probability that is based on repeated trials of an experiment |
| Expression | mathematical phrase containing numbers and/or operations and/or variables |
| Fair experiment | experiment in which all of the possible outcomes are equally likely |
| Function | relationship that pairs each input with exactly one output |
| Greatest common factor | the largest of the common factors of two or more nonzero whole numbers |
| Histogram | bar graph that shows the frequency of data values in intervals of the same size |
| Improper fraction | a fraction in which the numerator is greater than or equal to the denominator |
| Independent event | two events such that the occurrence of one does not affect the likelihood that the other will occur |
| Indirect measurement | using similar figures to find a missing measurement that is difficult to find directly |
| Integers | the set of whole numbers and their opposites |
| Interest | money that is paid for the use of money |
| Inverse operations | operations that can undo each other such as addition and subtraction or multiplication and division |
| Isosceles triangle | a triangle that hat at least two congruent sides |
| Leaf | digit or digits on the right side of a stem and leaf plot |
| Least common denominator | the least common multiple of the denominators of two or more fractions |
| Least common multiple | thesmallest of the common multiples of two or more non-zero whole numbers |
| Like terms | terms of an algebraic expression that have the same variables raised to the same power |
| Line of reflection | a line that a figure is flipped across to create a mirror image of the original figure |
| Line segment | part of a line that has two points called endpoints and all the points on the line between the endpoints |
| Markup | an increase from the original cost to the selling price |
| Mean | the sum of all values in a data set divided by the number of data values |
| Median | in a data set with an odd number of values the median is the middle data value. In a data set with an even number of values the median is the mean of the two middle values |
| Mode | the data values that occur the most often |
| Mixed number | a number that has a whole number and a fraction part |
| Net | a two dimensional representation of a solid |
| Numerator | the number abover the fraction bar in a fraction |
| Obtuse angle | and angle whose measure is greater than 90 dgress and less than 180 dgrees |
| Opposites | two numbers that are the same distance from 0 but on opposite sides of 0 |
| Ordered pair | pair of number used to locate a point on a corrdinate plane |
| Origin | the point represented by the ordered pair (0 |
| Outcome | a possible result of an experiment |
| Outlier | a data value that is much greater or much less than other values |
| Outcome | a number produced by evaluating a function using a given input |
| Parallelogram | a quadrilateral with two pairs of parallel sides |
| Percent | a ratio whose denominator is 100 |
| Percent of change | the percent a quantity changes from the original amount |
| Percent of decrease | the percent of change when the original amount decreases |
| Percent of increase | the percent of change when the original amount increases |
| Polygon | closed plane figure made up of three or more line segments that intersect only at their endpoints |
| Principal | an amount of money borrowed or deposited |
| Probability | a number from 0 to 100 that measure the likelihood that an event will occur |
| Product | the result when two or more numbers are multiplied |
| Proportion | an equation stating two ratios are equivalent |
| Quotient | the result of a division |
| Radius of a circle | the distance from the center of a circle to any point on the circle |
| Random sample | a sample in which each member of the population has an equal chance of being selected |
| Range of a data set | the difference between the greatest value and the least value of a data set |
| Rate | a ratio of two quantities with different units |
| Ratio | a comparison of two quantities using division |
| Rational number | a number that can be written as the ratio of two integers |
| Reflection | a transformation in which a figure flips over a line called the line of reflection |
| Repeating decimal | a decimal that has a pattern that repeats |
| Rhombus | a parallelogram with 4 sides of equal length |
| Rotation | a transformation in which a figure turns around a point called the center of rotation |
| Sales tax | an additional amount of money charged on items by governments to raise money |
| Sample | a part of the population |
| Scale | a ratio that compares the measurements of a drawing or model to the actual measurements |
| Scale drawing | a proportional three-dimensional drawing of an object |
| Scale factor | a scale without units |
| Similar figures | figures that have the same shape but not necessarily the same size |
| Slope | ratio of the change of y (the ris) to the change in x (the run) between any two points on a line |
| Stem | digit or digits on the left of a stem and leaf plot |
| Stem and leaf plot | a type of data display that uses the digits of data values to organize a set |
| Surface area of a prism | the sum of the areas of all the faces of a prism |
| Terminating decimal | a decimal that ends and does not keep on going |
| Theorectical probability | the ratio of the number of favorable outcomes to the number of possible outcomes when all possible outcomes are equally likely |
| Transformation | changing a figure into another figure |
| Translation | a transformation in which a figure slides but does not turn |