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24 terms

MAP Math Vocabulary 221-230

Map Math Vocabulary
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absolute value
The distance from a number to zero on a number line. Written as I4I the absolute value of-4 is 4.
arc
An unbroken part of a circle that is named by it's endpoints.
associative property
A rule that states that for all real numbers A, B, C; the sum or product is always the same, regardless of the groupings. a+b+c=a+(b+c)
algebra
Math language using variables.
distributive property
A rule that states that if you multiply a sum by a number, you will get the same result if you multiply addend and then add them. 4(2+3)=42+4*3
common denominator
A common multiple of the denominator of two or more fractions.
exponent
The number that indicates how many times the base is used as a factor.
isosceles triangle
A triangle with at least two congruent sides.
half hour
30 minutes
experimental probability
The ratio of the number of times an event occurs to the number of trials. i.e roll a 6 on a number cube.
least common denominator
The least common multiple of two or more denominators.
midpoint
The point that divides a line segment into two congruent line segments.
net
An arrangement of two-dimensional figures that can be folded to form a three dimensional figure.
pi
The ratio of the circumference of a circle to the length of its diameter. (3.14)
range
The difference between the greatest and least values in a data set.
obtuse triangle
A triangle containing one obtuse angle.
right triangle
A triangle with one 90 degree angle.
scale
The ratio used to enlarge or reduce similar figures. i.e. scale miles on a map
scalene triangle
A triangle with no congruent angles.
sum of measures
The result of when two or more angles are added.
supplementary angles
Two angles whose measure have a sum that equals 180 degrees.
thoretical probability
A ratio of the number of equally likely outcomes in an event to the total number of possible outcomes. i.e. Your chances of tossing heads on a coin toss.
survey
An evaluation tool, often used to collect data that can be summarized.
tax
An amount of money used to pay for shared services and expenses.