Math vocabulary
Terms
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- least common denominator
- the least common multiple of the denominators of two or more fractions
- area
- the number of square units needed to cover a flat surface
- vertex
- the common endpoint of two rays in an angle, of two line segments in a polygon, or of three or more edges in a space figure
- ray
- a part of a line that has one endpoint and goes on forever in one direction
- pentagon
- a polygon with five sides
- acute angle
- an angle that measures less than 90*
- cancellation
- the dividing of any numerator and denominator of a set of fractions by their greatest common factor before multiplying
- quotient
- the answer in dvision
- addened
- any one of a set of numbers to be added
- prime factorization
- expressing a composite number as the product of prime numbers
- complementary angle
- two angles the sum of whose measuresis 90*
- straight angle
- a angle that measures 180*
- octagon
- a polygon with eight sides
- denominator
- the number below the bar in a fraction
- formula
- a rule that is expressed by using symbols
- reciprocals
- two numbers whose product is one
- fraction
- a number that names a part of a whole, a region
- angle
- a figure formed by two rays that have a common endpoint
- common factor
- a number that is a factor of two or more numbers
- decimal
- a number with a decimal point sparating the ones from the tenths place
- ratio
- a comparison of two numbers or quantities by divison
- scalene triangle
- a triangle with no congruent sides
- quadrilateral
- a polygon with only four sides
- decagon
- a polygon with ten sides
- simplest form
- the form of a fraction when the numerator and denominator have no common factor other than 1
- odd number
- a whole number hat is not a multiple of 2
- proportion
- a number sentence that shows that two ratios are equal
- even number
- a whole number divisible by 2
- percent
- the ratio or comparison of a number to 100
- divisor
- the number by which the diviend is divided
- product
- the answer in multiplication
- height
- the perpendicular distance between the bases of a geometric figure. In a triangle, the perpendicular distance from the opposite vertex to the line cntaining the base
- LCM
- the least number, other than 0, that is a common multiple of two or more numbers
- whole number
- any of the numbers 0, 1, 2, 3, ....................
- rounding
- to approximate a number by replacing it with a number expressed in tens, hundreds,thousands and so on
- hexagon
- a polygon with six sides
- point
- an exact location, or position, usually represented by a dot
- obtuse angle
- an angle with a measure greator than 90* but less than 180*
- prime number
- a whole number greater than 1 that has only two factors itself and 1
- factor
- one of two or more numbers that are multiplied to form a product
- intersecting lines
- lines that meet or cross
- GCF
- the greatest number that is a factor of two or more numbers
- expand form
- the written form of a number that shows the place value of its digits
- heptagon
- a polygon with seven sides
- euilateral triangle
- a triangle with three congruent sides and three congrent angles
- divisile
- a number is divisible by another number if the remainder is 0 when the number is divied by the other number
- composite number
- a whole number greater than 1 that has more than two factors
- supplementary angle
- two angles the sum of whose measures is180*
- isosceles triangle
- a triangle with two congruent sides and two congruent angles
- cross products
- the products obtained by multiplying the numerator of one fraction by the denominator of the second fraction and the denominator of a second fraction and the denominator of the first fraction by the numerator of the second fraction
- factor tree
- a diagram used to find the prime factors of a number
- numerator
- the number above the ar in a fraction
- rhombus
- a parallelogram with all sides congruent
- parallelogram
- a quadrilateral eith two pairs of parallel sides
- perimeter
- the distance around a figure
- right angle
- an angle that measures 90*
- common denominator
- a number that is a multiple of the denomnators of two or more fractions
- triangle
- a polygon with three sides
- square
- a rectangle with all sides congruent
- place value
- the vaslue of a digit depending on its position, or place, in a number
- line
- a set f points in order extending indefinitlyin oppositedirections
- right triangle
- a triangle with one right angle
- rectangle
- a parallelogram with four right angles
- exponent
- a number that tells how many times anoter number is to be used as a factor
- equivalent fraction
- fractions that name the same amounts
- acute angle
- an angle that measures less than 90*
- degree
- a unit used to measure angles; a unit used to measure temperature on the Celsius (C*) or the Fahrenheit (F*) scale
- multiple
- a numer that is the of a given number and ay whole number
- perpendicular lines
- lines that interscet to form right angles
- protractor
- an instrument used to measure angles
- lowest terms
- a fraction is in lowest terms when its numerator and denominator have no common factors other than 1
- rate
- a ratio that compares unlike quantites
- common mutiple
- a number that is a multple of two or more numbers
- polygon
- a simple closed figure with sides that are line segments
- decimal point
- apoint used to separte ones and tenths in decimals
- obtuse triangle
- a triangle with one obtuse angle
- difference
- the anwser in subtration
- parallel lines
- lines in a plane that never intersect
- numeral
- a symbol for a number
- improper fraction
- a fraction with its numerator equal to or greater than its denominator
- remainder
- the number left over when division is completed