## STAAR Math Vocabulary Part 1

##### Created by:

jjett  on April 11, 2011

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# STAAR Math Vocabulary Part 1

 acute angleAn angle measuring more than 0˚ and less than 90˚
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#### Definitions

acute angle An angle measuring more than 0˚ and less
than 90˚
congruent Having the same size and shape
difference The amount that remains after one number has been subtracted from another.
exponent number that tells how many times the base is multiplied by itself
reciprocal The inverse of a fraction; when multiplied by the original fraction, it results in a product that equals one.
vertex The point of intersection for two sides of a plane figure, three sides of a solid figure, or the endpoints of two rays that form an angle.
expression A combination of numbers and variables connected by one or more operations signs
polygon Three or more line segments in a plane that forms a closed figure.
The line segments never cross but meet at their endpoints.
product The result of multiplying two or more numbers
hexagon A polygon with six sides
range The difference between the least and greatest values in a set of numbers.
scalene triangle A triangle with sides of different lengths and no two angles are the same.
area Surface space that is measured in square units
perimeter The distance around a figure
circumference The distance around a circle (the perimeter of a circle)

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