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Math TAKS Vocabulary
Math TAKS Vocabulary
120
Mathematics
03/17/2011

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; when multiplied by the original fraction, it results in a product that equals one
Term
 vertex (vertices - plural)
Definition
 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.
Term
 expression
Definition
 A combination of numbers and variables connected by one or more operations signs
Term
 polygon
Definition
 Three or more line segments in a plane that forms a closed figure. The line segments never cross but meet at their endpoints.
Term
 product
Definition
 The result of muliplying 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 (the 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 passes through the center of a circle and 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; the solution to a 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 an amount is divided by
Term
 mean
Definition
 The sum of a group of numbers divided by the number of numbers; also known as the average
Term
 median
Definition
 A value found by ordering a group of 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 (usually smaller than the original) 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 degrees
Term
 order of operations
Definition
 Rules that tell which steps to follow when solving an expression
Term
 rhombus
Definition
 A parallelogram with all sides equal and congruent
Term
 lowest terms
Definition
 A fraction with all common factors (other than 1) factored out of the numerator and denominator
Term
 square root
Definition
 A number that when multiplied 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
 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.
Term
 y-coordinate
Definition
 The value on the y-axis used to locate a point on the coordinate graph. It is the second value in an ordered pair.
Term
 ordered pair
Definition
 Two numbers listed in a specific order; it describes a point on the coordinate graph
Term
 acute angle
Definition
 An angle measuing more than 0 degrees and less than 90 degrees
Term
 congruent
Definition
 Having the same size and shape
Term
 factor
Definition
 Any number multiplied to form a product. A product can be divided by one factor to find the other factor.
Term
 equivalent
Definition
 Having the same value
Term
 inverse
Definition
 Reversed position or direction
Term
 vertex (vertices - plural)
Definition
 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.
Term
 common denominator
Definition
 A number that is a multiple of all denominators in a problem.
Term
 polygon
Definition
 Three or more line segments in a plane that forms a closed figure. The line segments never cross but meet at their endpoints.
Term
 product
Definition
 The result of multiplying two or more numbers.
Term
 prime number
Definition
 A number with only two factors: the number itself and one.
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 (the perimeter of a circle).
Term
 angle
Definition
 The figure formed when two rays meet at a common endpoint called a vertex.
Term
 common factor
Definition
 A number that is a factor of two or more numbers.
Term
 complementary angles
Definition
 Two angles whose sum equals 90 degrees.
Term
 diameter
Definition
 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.
Term
 greatest common factor (GCF)
Definition
 The largest single factor for two or more numbers.
Term
 hexagon
Definition
 A polygon with six sides.
Term
 integers
Definition
 All whole numbers (both positive and negative) and zero.
Term
 mean
Definition
 The sum of a group of numbers divided by the number of numbers. Also known as the average.
Term
 median
Definition
 A value found by ordering a group of 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
 numerator
Definition
 The part of a fraction that stands for how many parts of a whole or group are included in the fraction.
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
 sample
Definition
 Part of the population that is studied to find the characteristics of the whole population.
Term
 composite number
Definition
 A positive whole number with more than two factors. In other words, a number that is not prime. Zero and one are neither composite nor prime.
Term
 denominator
Definition
 The part of a fraction that stands for the number of equal parts a whole or group is divided into.
Term
 cross product
Definition
 In an equation made up of two fractions, the numerator of one fraction times the denominator of the other fraction.
Term
 improper fraction
Definition
 A fraction with a numerator that is larger than or equal to its denominator.
Term
 like fractions
Definition
 Two or more fractions that have the same denominator
Term
 least common multiple (LCM)
Definition
 The smallest multiple that two or more numbers have in common
Term
 mixed number
Definition
 A value that combines a whole number and a fractional amount
Term
 octagon
Definition
 An eight-sided polygon
Term
 parallel lines
Definition
 Lines in the same plane that do not intersect. The symbol //
Term
 percent
Definition
 The ratio of a number to 100 (per one hundred). The symbol %
Term
 prime factorization
Definition
 Breaking down a composite number until all of the factors are prime
Term
 probability
Definition
 The likelihood that an event will occur. The probability that an event will occur is 0, 1, or somewhere between 0 and 1.
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
 right angle
Definition
 An angle that measures 90 degrees
Term
 right triangle
Definition
 A triangle with one right angle
Term
 supplementary angles
Definition
 Two angles whose sum is 180 degrees
Term
 order of operations
Definition
 Rules that tell which steps to follow when solving an expression.
Term
 inverse operations
Definition
 Operations that do the exact opposite of each other; they undo each other (addition and subtraction, for example)
Term
 lowest terms
Definition
 A fraction with all common factors (other than 1) factored out of the numerator and denominator
Term
 pi
Definition
 The value that shows the relationship of a circle's circumference to its diameter; it has an approximate value of 3.14
Term
 prism
Definition
 A solid figure that has two congruent, parallel polygons 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. In an expression, combining variables that have like unknowns.
Term
 square unit
Definition
 A unit for measuring area
Term
 unit ratio
Definition
 A ratio that shows the cost per unit of measure
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.
Term
 y-coordinate
Definition
 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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