# Shared Flashcard Set

## Details

7th & 8th Grade TAKS voc.
spring 2009
61
Mathematics
03/01/2009

Term
 acute angle
Definition
 an angle measuring more than zero degrees and less than 90 degrees
Term
 congruent
Definition
 having the same size and shape
Term
 difference
Definition
 the amount that remains after one number has been subtracted from another
Term
 exponent
Definition
 a number that tells how many times the base is multiplied by itself
Term
 reciprocal
Definition
 the inverse of a fraction
Term
 vertex (vertices)
Definition
 the point of intersection on a two or three dimensional figure
Term
 expression
Definition
 a combination of numbers and variables connected by one or more operations signs
Term
 polygon
Definition
 three or more line segments that form a closed figure
Term
 product
Definition
 the result of multiplying two or more numbers
Term
 hexagon
Definition
 a polygon with six sides
Term
 range
Definition
 the difference between the least and greatest values in a set of numbers
Term
 scalene triangle
Definition
 a triangle with sides of different lengths and no two angles are the same
Term
 area
Definition
 surface space that is measured in square units
Term
 perimeter
Definition
 the distance around a figure
Term
 circumference
Definition
 the distance around a circle (perimeter of a circle)
Term
 straight angle
Definition
 an angle that measures 180 degrees
Term
 obtuse angle
Definition
 an angle measuring more than 90 degrees and less than 180 degrees
Term
 complementary angle
Definition
 two angles whose sum equals 90 degrees
Term
 diameter
Definition
 a line segment that pasees through the center of a circle an has its endpoints on the circle
Term
 sum
Definition
 the total of two or more numbers being added
Term
 quotient
Definition
 the result of dividing one number by another; answer to division problem
Term
 dividend
Definition
 in a division problem, it's the number being divided
Term
 divisor
Definition
 in a division problem, the number that ans amount is divided by
Term
 mean
Definition
 the sum of a group of numbers divided by the number of numbers; average
Term
 median
Definition
 a value found by ordering a groupof data from least to greatest and choosing the middle value of the group
Term
 mode
Definition
 in a group of values, the value that occurs most often
Term
 pyramid
Definition
 a solid figure that has triangles for its sides and a polygon as its base
Term
Definition
 a polygon that has four sides
Term
 parallelogram
Definition
 a quadrilateral with two pairs of congruent, parallel sides
Term
 rectangle
Definition
 a parallelogram with four right angles
Term
 reflection
Definition
 a mirror image of a figure shown over a line of reflection
Term
 rate
Definition
 a ratio that compares two different types of quantities
Term
 equation
Definition
 a mathematical sentence that uses an equal sign
Term
 scale drawing
Definition
 a drawing of an object that is different in size but keeps the same proportions
Term
 trapezoid
Definition
 a quadrilateral with one pair of parallel sides
Term
 cylinder
Definition
 a solid figure with two congruent and parallel circular bases
Term
 octagon
Definition
 an eight sided polygon
Term
 pentagon
Definition
 a polygon with five sides
Term
 percent
Definition
 the ratio of a number to 100 (per one hundred);the symbol%
Term
 similar figures
Definition
 figures that have the same shape but different sizes: their sides are proportional, while their corresponding angles are equal
Term
 equilateral triangle
Definition
 a triangle that has three equal sides and three equal angles
Term
Definition
 a length that is half the diameter of a circle;the distance from the center of the circle to the circle itself
Term
 isosceles triangle
Definition
 a triangle with two equal sides and two equal angles
Term
 right triangle
Definition
 a triangle with one right angle
Term
 supplementary angles
Definition
 two angles whose sum is 180 degress
Term
 order of operations
Definition
 rules that tell which steps to follow when solving an expression; PEMDAS
Term
 rhombus
Definition
 a parallelogram with all sides equal and congruent
Term
 lowest terms
Definition
 a fraction with all common factors factored out of the numberator and denominator
Term
 square root
Definition
 a number that when mulitplied by itself results in the original number
Term
 prism
Definition
 a solid figure that has two congruent, parallel polygons as its bases. Its sides are parallelograms.
Term
 prism
Definition
 a solid figure that has two congruent, parallel plygons as its bases. Its sides are parallelograms.
Term
 ratio
Definition
 a comparison of the two values of two numbers
Term
 proportion
Definition
 an equation stating that two ratios are equal
Term
 simplify
Definition
 to make a fraction easier to work with by taking out common factors
Term
 unit ratio
Definition
 a ratio that shows the cost per unit of measure
Term
Definition
 one of the four regions formed by the intersection of the axes of a coordinate graph
Term
 x-axis
Definition
 the horizontal number line of a coordinate graph
Term
 y-axis
Definition
 the vertical number line of a coordinate graph
Term
 x-coordinate
Definition
 the value on the x-axis used to locate a point on the coordinate graph. It is the first value in an ordered pair.(x,y)
Term
 y-coordinate
Definition
 the value on the y-axis used to locat a point on the coordinate graph. It is the second value in an ordered pair.(x,y)
Term
 ordered pair
Definition
 two numbers listed in a specific order; it describes a point on the coordinate graph (x,y)
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