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7th & 8th Math STAAR Vocabulary

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Term
Definition
acute angle   show
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area   show
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show The distance around a circle (the perimeter of a circle)  
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show Two angles whose sum equals 90 degrees  
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congruent   show
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cylinder   show
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show A line segment that passes through the center of a circle and has its endpoints on the circle  
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difference   show
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show In a division problem, it's the number being divided  
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divisor   show
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show A mathematical sentence that uses an equal sign  
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show A triangle that has three equal sides and three equal angles  
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show A number that tells how many times the base is multiplied by itself  
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show A combination of numbers and variables connected by one or more operations signs  
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hexagon   show
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show A triangle with two equal sides and two equal angles  
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lowest terms   show
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show The sum of a group of numbers divided by the number of numbers; also known as the average  
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show A value found by ordering a group of data from least to greatest and choosing the middle value of the group.  
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mode   show
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show An angle measuring more than 90 degrees and less than 180 degrees  
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show An eight-sided polygon  
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order of operations   show
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show Two numbers listed in a specific order; it describes a point on the coordinate graph  
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parallelogram   show
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pentagon   show
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percent   show
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perimeter   show
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polygon   show
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show a solid figure that has two congruent, parallel polygons as its bases. Its sides are parallelograms.  
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product   show
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show An equation stating that two ratios are equal  
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pyramid   show
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show One of the four regions formed by the intersection of the axes of a coordinate graph  
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quadrilateral   show
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quotient   show
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radius   show
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range   show
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show A ratio that compares two different types of quantities  
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show A comparison of the two values of two numbers  
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show The inverse of a fraction; when multiplied by the original fraction, it results in a product that equals one  
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rectangle   show
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show A mirror image of a figure shown over a line of reflection  
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show A parallelogram with all sides equal and congruent  
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show A triangle with one right angle  
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show A drawing of an object that is different in size (usually smaller than the original) but keeps the same proportions  
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show A triangle with sides of different lengths and no two angles are the same  
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show Figures that have the same shape but different sizes; their sides are proportional, while their corresponding angles are equal  
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show To make a fraction easier to work with by taking out common factors  
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show A number that when multiplied by itself results in the original number  
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straight angle   show
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show The total of two or more numbers being added  
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show Two angles whose sum is 180 degrees  
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show A quadrilateral with one pair of parallel sides  
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unit ratio   show
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vertex (vertices - plural)   show
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x-axis   show
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show The value on the x-axis used to locate a point on the coordinate graph. It is the first value in an ordered pair.  
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show The vertical number line of a coordinate graph  
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y-coordinate   show
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