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6th R Vocab
6th RVocab
| Question | Answer |
|---|---|
| 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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