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7th Grade Vocabulary

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
show The distance away from 0 (on the number line), making the value positive. We indicate absolute value by putting two bars around the number. |-4|  
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additive inverse   show
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decimals   show
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differences   show
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distance   show
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show The number that "goes into" the dividend.  
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estimation   show
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fractions   show
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horizontal   show
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show All whole numbers and their negative counterparts.  
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multiplicative inverse   show
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show Are used to describe quantities less than zero.  
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show Positive and negative signs are called opposites. They are both the same number of spaces or the same distance from zero on the number line.  
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show Are used to describe quantities greater than zero.  
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rational numbers   show
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show A number that is another number that, when multiplied together, their product is 1. To find this, flip the fraction.  
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terminates   show
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show Going up and down. At right angles to the horizon.  
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whole numbers   show
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zero pairs   show
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show A fraction in which the denominator and numerator or both contain fractions.  
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constant of proportionality   show
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coordinate plane   show
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show (0,0) on the coordinate plane.  
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proportional relationships   show
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ratios   show
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show A rate that has 1 as its denominator.  
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show A fee paid to someone for their services in helping to sell something to a customer.  
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discount   show
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equation   show
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gratuity   show
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markdown   show
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markup   show
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part   show
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show Means per hundred. Ratios that compare a quantity to 100.  
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show A measure of percent change, which is the extent to which something loses value.  
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percent error   show
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percent increase   show
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show A number sentence where two ratios are equal.  
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show A fee charged on something purchased. Usually determined by a percentage.  
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show A fee that someone pays in order to borrow money.  
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tip   show
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show All, everything, total amount.  
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coefficient   show
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distributive property   show
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show A mathematical phrase that contains numbers, variables, and /or operators.  
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show The reverse of the distributive property.  
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show A number by itself or the product of a number and variable.  
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arithmetic   show
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algebraic   show
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equivalent   show
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show A mathematical sentence that contains a sign indicating that the values on each side of it are not equal.  
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show An assignment of values to the unknown variables that makes the equality in the equation true.  
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variable   show
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adjacent angles   show
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angle   show
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show The size of a surface or is the amount of space inside a two-dimensional object. Written units squared.  
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complementary angles   show
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show Angles that are related because they have the same measure.  
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show A unit for measuring the size of an angle, or a unit for measuring temperature.  
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show The measurable size of something. Often refers to length, width and height.  
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distributive property   show
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show A closed plane figure with at least three straight sides.  
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show The ratio of the length in the drawing to the actual length.  
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show A drawing that is similar to an actual object - just made bigger or smaller.  
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show Two angles whose sum is 180 degrees.  
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two-dimensional   show
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show Angles formed by two intersecting line that are opposite of each other, they have equal measures.  
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show The set of all points that are equal distance from a point that is called the center.  
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circumference   show
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cubes   show
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diameter   show
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geometric figures   show
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pi   show
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quadrilaterals   show
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radius   show
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show Has three sides and three angles.  
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apex   show
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cone   show
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show All faces are identical polygons.  
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cylinder   show
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derive   show
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show The difference between a value in frequency distribution and a reference value.  
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formula   show
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show A 3D figure that is made up of regions that are in the shape of polygons. The regions share a side.  
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show A 3D figure that has two polygon bases that are parallel and congruent, as well as lateral faces that are parallelograms.  
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show Has all right angles, the bases are parallel, and the lateral faces are parallelograms.  
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show Has a rectangle as its base. All of its lateral faces are triangles.  
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show Cross section. You can get different 2D shapes.  
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sphere   show
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surface area   show
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show A shape that has length, width, and height.  
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vertex   show
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show Refers to the number of cubic units needed to fill the figure.  
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biased sample   show
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box plot   show
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distributions   show
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dot plot   show
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estimate   show
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interquartile range   show
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show The median of the lower half.  
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show The middle number of a data set when all of the numbers are written in order, from least to greatest,  
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show The item in the data set that occurs most often.  
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show Add all the numbers, then divide the sum by how many items there are.  
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measure of center   show
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show Describes how the values of a data set vary.  
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show Whole set of individuals, items or data from which a statistical sample is drawn.  
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show A future event foretold by using a trend formed from the collected historical data.  
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random sample   show
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range   show
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show Describes the variability of a data set, that is, how the data is spread out and varies from the mean.  
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survey   show
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upper quartile   show
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visual overlap   show
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show Involves finding the probability of more than one event occurring at the same time.  
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show Conditional. Where an event is affected by other events  
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event   show
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show A repeatable procedure with a set of possible results.  
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experimental probability   show
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frequency   show
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show Not affected by previous events.  
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show 0 - 100% 0 unlikely 0.5 neither likely or unlikely 1 likely  
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show A possible result of an experiment.  
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probability   show
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relative frequency   show
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sample space   show
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simple event   show
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simulation   show
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show The theory behind probability.  
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show In Probability: A single run of an experiment.  
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show A tool in the fields of general mathematics, probability, and statistics that helps calculate the number of possible outcomes of an event or problem, and to cite those potential outcomes in an organized way.  
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uniform probability model   show
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