## Final Exam and Trimester Exam-6th Grade Math

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voolevoonye  on February 28, 2012

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# Final Exam and Trimester Exam-6th Grade Math

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

acute angle An angle measuring more than 0 degrees and less than 90 degrees
congruent Having the same size and shape
equivalent Having the same value
vertex The point of intersection of lines or the point opposite the base of a figure
common denominator A number that is a multiple of all denominators in a problem.
polygon Three or more line segments in a plane that forms a closed figure. The line segments never cross but meet at their endpoints.
prime number A number with only two factors: the number itself and one.
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.
circumference The distance around a circle (the perimeter of a circle).
angle The figure formed when two rays meet at a common endpoint called a vertex.
common factor A number that is a factor of two or more numbers.
complementary angles Two angles whose sum equals 90 degrees.
diameter A line segment that passes through the center of a circle and has its endpoints on the circle. It describes how wide the circle is.
hexagon A polygon with six sides.
mean The sum of a group of numbers divided by the number of numbers. Also known as the average.
median A value found by ordering a group of data from least to greatest and choosing the middle value of the group.
mode In a group of values, the value that occurs most often.
numerator The part of a fraction that stands for how many parts of a whole or group are included in the fraction.
quadrilateral A polygon that has four sides.
parallelogram A quadrilateral with two pairs of congruent, parallel sides.
rectangle A parallelogram with four right angles
denominator The part of a fraction that stands for the number of equal parts a whole or group is divided into.
improper fraction A fraction with a numerator that is larger than or equal to its denominator.
like fractions Two or more fractions that have the same denominator
octagon An eight-sided polygon
parallel lines Lines in the same plane that do not intersect. The symbol //
percent The ratio of a number to 100 (per one hundred). The symbol %
prime factorization Breaking down a composite number until all of the factors are prime
right angle An angle that measures 90 degrees
right triangle A triangle with one right angle
supplementary angles Two angles whose sum is 180 degrees
ratio A comparison of the two values of two numbers
proportion An equation stating that two ratios are equal
unit ratio A ratio that shows the cost per unit of measure
x-axis The horizontal number line of a coordinate graph
y-axis The vertical number line of a coordinate graph
x-coordinate The value on the x-axis used to locate a point on the coordinate graph. It is the first value in an ordered pair.
y-coordinate The value on the y-axis used to locate a point on the coordinate graph. It is the second value in an ordered pair.

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