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# OAT 6th Zimmerman

### OAT 6th Zimmerman Formulas and words to know

Integers whole numbers and their opposites (includes the entire # line of positives and negatives)
Real numbers numbers that make up the set of all rational numbers and irrational numbers
Rational numbers can be expressed as fractions in the form a/b where a and b are intergers and b can not = 0 and includes whole numbers, mixed numbers, improper fractions, integers, terminating and repeating decimals
Whole numbers 0, 1, 2, 3 etc.
mixed numbers number and a fraction
improper fraction a/b where a > b ex. 54/8
irrational numbers set of non repeating, nonterminating decimals
natural numbers 1, 2, 3 etc.
negative numbers less than 0
positive numbers greater than 0
Commutative Property When two numbers are added or multiplied, the sum is the same regardless of the order Example: ab = ba or a + b = b + a
Area of a Rectangle and Square A = lw
Area of a Parallelogram A = bh
Area of a Triangle A = 1/2bh
Circumference C = 2πr
Area of a Circle A = πr^2
Volume of a Cube and Rectangular Prism V = lwh
Surface area of a Cube and Rectangular Prism SA = 2lw + 2hw + 2whORSA = 2(lw + hw + hl)
Surface area of a Cylinder SA = 2πr^2 + 2πrh
Volume of a Cylinder V = πr^2h
translation sliding a figure along a line
rotation turns a figure around a point
reflection movement of a figure across a line creating a mirror image
dilation is a transformation that changes the size of a figure by a scale factor to creat a similar figure
reduction divison/smaller
enlargement multiplicaion/bigger
face flat side of a solid figure
edge a line segment where 2 faces of a solid figure meet
vertex a common point where 3 or more edges meet
Associative properties grouping addends or factors does not change the sum or productExample: a(bc) = (ab)ca + (b + c) = (a + b) + c
Distributive property can be used over addition and subtraction to simplify expressionsExample a(b + c) = ab + aca(b - c) = ab - ac
Like terms two or more terms that contain the same variable; can only be combined if they look the same
Terms can be considered a constant, variable or variable and a coeffienent
Constant a number that does not changeEx: 2
Variable a value that is represented by a letter and can change.
Coeffiencent the factor of the variable4x = x + x + x + x
Central Tendency Mean, Median, Mode, Range
Mean all numbers in a set added then divided by the amount of numbers in that set
Median middle number of the arranged set (when ordered in highest to lowest or lowest to highest) if it is an even amount of numbers add the 2 middle numbers and divide by 2
mode the number that occurs most often
range difference between the greatest and least numbers in a data set
Probability the chance that an event wil happen.number of favorable outcomes/ number of possible outcomes; will range form 0 - 1
Certain event 100% or 1 probability
Impossible event cannot not happen 0 or 0% of probability
Theoretical probability probability that an event will occurnumber of favorable outcomes/number of possible outcomes
Created by: scandisandi