Tennessee Academic Vocabulary – 4th grade



Tennessee Academic Vocabulary – Eighth Grade Math

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|Curriculum Area: |

|WORD |DEFINITION |CURRICULUM OPPORTUNITIES |NUMBER OF EXPOSURES |

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|Adjacent (angle relationship) |Angles immediately next to each other | | |

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|Alternate exterior angle |Alternate exterior angles are on opposite sides of | | |

| |the transversal, but outside the parallel lines | | |

| | | | |

| | | | |

|Alternate interior angle |Alternate interior angles are two congruent | | |

| |interior angles that lie on different parallel | | |

| |lines and on opposite sides of a transversal. | | |

| | | | |

|complementary |Two angles whose sum is 90 degrees | | |

| | | | |

|corresponding |Corresponding angles are angles that are in the | | |

| |same position; they are made by lines cutting | | |

| |through two or more other lines | | |

| | | | |

|Cost per unit |Unit rate; A unit rate compares a quantity to its | | |

| |unit of measure. | | |

| | | | |

|dilation |Dilation is a similarity transformation in which a | | |

| |figure is enlarged or reduced using a scale factor | | |

| |, without altering the center. | | |

| | | | |

|Distance formula (d=rt) |The length between two points (or objects) | | |

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|Distributive property |Multiplying a number is the same as multiplying its| | |

|(algebraic) |addends by the number, then adding the products | | |

| |A product can be written as, the sum of, or | | |

| |difference between, two products | | |

| | | | |

|Experimental probability |Experimental probability of an event is the ratio | | |

| |of the number of times the event occurs to the | | |

| |total number of trials. | | |

| | | | |

|exterior |The angle formed outside a polygon when one side is| | |

| |extended | | |

| | | | |

|infinite |Unable to be counted, unlimited; opposite to finite| | |

| | | | |

|intercept |In mathematics, an intercept is the coordinate of | | |

| |the point at which a curve intersects an axis. For | | |

| |example, an x-intercept or a y-intercept. | | |

| | | | |

|interior |An angle within two lines when they are crossed by | | |

| |a third line | | |

| | | | |

|Line of best fit (conceptual) |A line of best fit is a straight line that best | | |

| |represents the data on a scatter plot.  | | |

| |This line may pass through some of the points, none| | |

| |of the points, or all of the points. | | |

| | | | |

|Nonlinear equation |Containing a variable with an exponent other than | | |

| |one. Used of an equation. | | |

| | | | |

|Perfect square |an integer which is the square of some other | | |

| |integer, i.e. can be written in the form n2 for | | |

| |some integer n (and because of this a square is | | |

| |always nonnegative). Thus a perfect square always | | |

| |has a square root that has no decimal expansion. | | |

| |an algebraic expression that can be factored as the| | |

| |square of some other expression, e.g. a2 ± 2ab + b2| | |

| |= (a ± b)2 | | |

| | | | |

|Pythagorean theorem |The area of the square built upon the hypotenuse of| | |

| |a right-angled triangle is equal to the sum of the | | |

| |areas of the squares upon the remaining sides | | |

| | | | |

|Scientific notation |A way of writing very large or very small numbers | | |

| |using a number between 1 and 10 multiplied by a | | |

| |power of ten | | |

| | | | |

|sequences |An ordered set of numbers, shapes, or other | | |

| |mathematical objects, arranged according to a rule | | |

| | | | |

|Slope intercept form |Slope-intercept form is when a line is in the form | | |

| | | | |

| |y = mx + b | | |

| | | | |

| |where m is the slope and b is the y-intercept. | | |

| | | | |

|Square root |A number when multiplied by itself gives the | | |

| |original number | | |

| | | | |

|supplementary |Two angles whose sum is 180 degrees | | |

| | | | |

|Theoretical probability |Theoretical Probability of an event is the number | | |

| |of ways that the event can occur, divided by the | | |

| |total number of outcomes. | | |

| | | | |

|Vertical angles |Pair of angles directly opposite each other, formed| | |

| |by the intersection of straight lines | | |

| | | | |

|Vertical line test |Vertical Line Test is a test to determine if a | | |

| |relation or its graph is a function or not. For a | | |

| |relation or graph to be a function, it can have at | | |

| |most a single y-value for each x-value. Thus, a | | |

| |vertical line drawn at any x-position on the graph | | |

| |of a function will intersect the graph at most | | |

| |once. | | |

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