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6th R Vocab

6th RVocab

QuestionAnswer
Natural Numbers 1, 2, 3, 4..... (does not include 0)
Absolute Value Always Positive
radius (r) measurement from a circle's center to it's perimeter
diameter (d) measurement across a circle through the center.
Area of a triangle A=1/2(b x h)
Area of a trapezoid A=1/2 h (b1 + b2)
Constant Number by itself
Volume of a Prism V=Bh B=area of base (formula depends on shape of base)
Inverse operation Undoing Operation - used to solve an equation (Adding and Subtracting are inverses, multiplying and dividing are inverses)
Upper Quartile Median of the upper half (Median is number in the physical middle.)
Upper Quartile Median of the upper half (Median is number in the physical middle.)
Median Number in the physical middle
Mean Average
Mode Number that appears most frequently
Closed Circle on an Inequality Graph less than or equal to, greater than or equal to (because the value is included in the solution set)
Open Circle on an Inequality Graph less than or greater than (because the value is NOT included in the solution set.)
Interquartile Range UQ minus LQ (or range of whats in the box of a box plot)
Range Maximum minus minimum
Commutative Property Can move numbers or variables around and you get an equivalent expression. x+y = y+x
Associative Property Can group numbers in parentheses and get an equivalent expression. (x+y)+z = x+(y+z)
Distributive Property Can multiply outer term to the first inside term, keep the operand and multiply by the second inside term. 2(x+2) = 2x+4.
Percent Equation Part=Percent x Whole (percent must be in decimal or fraction form)
Proportions To set up: Same unit on top, same unit on bottom
Percent Per 100
Integers -2, 4, 0. . . . (negative or positive full numbers and 0)
Rational Numbers Almost all numbers, except decimals that don't repeat or terminate
Whole Numbers 0 and Positive Whole Numbers.
at most (inequality symbol) less than or equal to
at least (inequality symbol) greater than or equal to
Complementary Angles Add up to 90
Supplementary Angles Add up to 180
Triangle Inequality Theorem (2 sides in triangle must be...) ...greater than the 3rd side
Triangle Angle-Side Relationship : The largest angle is across from... ...the largest side. (smallest side across from smallest angle...)
Rule for adding a negative and a positive number Different signs : Subtract (take sign of larger number, regardless of sign)
7% as a decimal .07
Exponents repeated multiplication (ex: 3 to the 5th power is 3x3x3x3x3)
Special Rule for inequalities flip sign ONLY when solving by multiplying or dividing by a negative on both sides
How long info stays on a credit report 7 years
Net Worth Assets - Liabilities(Debts)
How to solve a conversion or scale drawing problem proportions (same unit on top, sam on bottom, then cross multiply and solve)
dependent variable y
independent variable x (time is always independent)
solving percents with proportions percent goes over 100, part goes over whole
Ordering Negative Numbers As the absolute value (distance from 0) increases, the number decreases
Discount Original Value-(Percent)(Original Value)
How to convert from Mixed to Improper Multiply whole number times denominator and add numerator. This is the new numerator, denominator stays the same.
How to convert from Improper to Mixed Divide (tops in bottoms out) Number on top is the full number, remainder is new numerator.
Percent to decimal and decimal to percent Percent to decimal : 2 decimals to left, Decimal to percent: 2 decimals to right
Percent to Fraction Over 100
Rule for Adding 2 negative numbers Same Signs-Add, use common sign
Rule for subtracting a negative number same as adding ex: 2-(-2) is 4
Created by: lisa.davies
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