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Mathematical Mathematical VocabularyVocabularyFlash CardsFlash Cards
© Brent Coley 2008 | www.mrcoley.com© Brent Coley 2008 | www.mrcoley.com
ProductProduct
The answer to a The answer to a
multiplication (multiplication (x x oror **) problem) problem
FactorsFactors
Numbers that will evenly Numbers that will evenly divide into another numberdivide into another number
(the numbers you can multiply (the numbers you can multiply together to get another number)together to get another number)
Factors of 12: 1, 2, 3, 4, 6, 12Factors of 12: 1, 2, 3, 4, 6, 12
(1 (1 * * 12, 2 12, 2 * * 6, 3 6, 3 * * 4)4)
Prime NumberPrime Number
A whole number greater than A whole number greater than 1 that has 1 that has only twoonly two factors: factors:
1 and itself1 and itself(The only way to get the (The only way to get the
number is to multiplynumber is to multiply1 times itself.)1 times itself.)
2, 3, 5, 7, 11, 13, 17, …2, 3, 5, 7, 11, 13, 17, …
Composite NumberComposite Number
A number that has A number that has more than more than twotwo factors factors
(there is more than one way to (there is more than one way to multiply to get the number)multiply to get the number)
““9”: 1 9”: 1 * * 9, 3 9, 3 * * 33
““12”: 1 12”: 1 * * 12, 2 12, 2 * * 6, 3 6, 3 * * 44
Prime FactorizationPrime Factorization
A factor tree – breaking a A factor tree – breaking a number down into its prime number down into its prime
factorsfactors
44 44
1616
22 22 22 22
16 = 2 16 = 2 ** 2 2 ** 2 2 ** 2 2
Greatest Common Factor (GCF)Greatest Common Factor (GCF)
The biggest factor of two or The biggest factor of two or more numbersmore numbers
The GCF of 12 and 18 is The GCF of 12 and 18 is 66..
Factors of 12 Factors of 12 →→ 1, 2, 3, 4, 1, 2, 3, 4, 66, 12, 12
Factors of 18 Factors of 18 →→ 1, 2, 3, 1, 2, 3, 66, 9, 18, 9, 18
Least Common Multiple (LCM)Least Common Multiple (LCM)
Smallest number that is a Smallest number that is a multiple of two or more multiple of two or more
numbersnumbers
The LCM of 3 and 4 is 12.The LCM of 3 and 4 is 12.
3 3 →→ 3, 6, 9, 3, 6, 9, 1212
4 4 →→ 4, 8, 4, 8, 1212
Parts of a FractionParts of a Fraction
¾¾ Numerator = top numberNumerator = top number
Denominator = bottom numberDenominator = bottom number
ExponentExponent
Tells how many times the Tells how many times the base number is being base number is being
multiplied by itselfmultiplied by itself
2233 = 2 = 2 ** 2 2 ** 2 2
exponentexponentbase base numbernumber
Parallel LinesParallel Lines
When two lines are always When two lines are always the same distance apart the same distance apart (they will (they will nevernever touch) touch)
Perpendicular LinesPerpendicular Lines
When two lines intersect to When two lines intersect to form a right angle (90form a right angle (90°)°)
PerimeterPerimeter
The distance The distance aroundaround a two- a two-dimensional figuredimensional figure
To find the To find the perimeter, perimeter, add add all the sidesall the sides of of the figure.the figure.
Perimeter = sum of Perimeter = sum of allall sides sides
Area of a RectangleArea of a Rectangle
The amount of space The amount of space insideinside the rectanglethe rectangle
Area = base Area = base ** height height
basebase
heightheightTo find the To find the area, area, multiply multiply the base times the base times the heightthe height..
Area of a TriangleArea of a Triangle
The amount of space The amount of space insideinside the trianglethe triangle
Area = ½ (base Area = ½ (base ** height) height)
To find the area,To find the area, multiply the multiply the base times the base times the height, then height, then divide by 2divide by 2..
basebase
heightheight
VolumeVolume
The amount of space The amount of space insideinside a a three-dimensional figurethree-dimensional figure
To find the To find the volume, volume, multiply base multiply base times height times height times depthtimes depth..
Volume = base Volume = base ** height height ** depth depth
basebase
depthdepth
heightheight
RadiusRadius
A line segment from the A line segment from the center of a circle to any center of a circle to any
point on the circlepoint on the circle
radiusradius
DiameterDiameter
A line segment that passes A line segment that passes through the center of a through the center of a
circlecircle
diameterdiameter
CircumferenceCircumference
The distance The distance aroundaround a circle a circle
diameterdiameter
Circumference = Circumference = ππ ** diameter diameter
To find the To find the circumference, circumference, multiply multiply ππ (3.14) (3.14) by the diameterby the diameter..
Area of a CircleArea of a Circle
The amount of space The amount of space insideinside the circlethe circle
radiusradius
Area = Area = ππ ** radius radius22
To find the area, To find the area, multiply multiply ππ (3.14) (3.14) by the squared by the squared radiusradius..
MaximumMaximum
The The largestlargest number in a set number in a set of numbers.of numbers.
1, 5, 9, 12, 17, 19, 1, 5, 9, 12, 17, 19, 2020
Maximum = Maximum = 2020
MinimumMinimum
The The smallestsmallest number in a set number in a set of numbers.of numbers.
11, 5, 9, 12, 17, 19, 20, 5, 9, 12, 17, 19, 20
Minimum = Minimum = 11
RangeRange
The The differencedifference between the between the maximum and minimummaximum and minimum
(maximum – minimum)(maximum – minimum)
1, 5, 9, 12, 17, 19, 201, 5, 9, 12, 17, 19, 20
Range = Range = 1919
Max. (20) – Min. (1) = 19Max. (20) – Min. (1) = 19
MeanMean
The The averageaverage. Add up all the . Add up all the numbers and divide by how numbers and divide by how many numbers you added.many numbers you added.
2, 3, 5, 7, 82, 3, 5, 7, 8
Mean = Mean = 55
(The five numbers add up to 25. (The five numbers add up to 25. 25 ÷ 5 = 5) 25 ÷ 5 = 5)
ModeMode
The number that occurs The number that occurs mostmost often.often.
1, 5, 5, 1, 5, 5, 99, , 99, , 99, 11, 13, 11, 13
Mode = Mode = 99
(There are more 9’s than any (There are more 9’s than any other number.)other number.)
MedianMedian
The The middlemiddle number when the number when the numbers are lined up numbers are lined up
smallest to largestsmallest to largest
1, 5, 9, 1, 5, 9, 1212, 17, 19, 20, 17, 19, 20
Median = Median = 1212
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