7th/8th grade review
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| How far a number is from 0 on a number line | absolute value
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| An angle that measures between 0 and 90 degrees | acute
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| When a sampling method is not fair | bias
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| A graph that represents data using quartiles | box and whisker plot
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| The number next to the variable | coefficient
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| Two shapes with the same size, same shape, same angle measurements | congruent
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| A transformation that changes the size of the original shape | dilation
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| Two events that have no outcomes in common | disjoint events
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| This property means to multiple the term on the outside of the parenthesis by everything inside the parenthesis | distributive property
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| In probability, this is the result of experiments/trials | experimental probability
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| In probability, this principle can be used to find the total number of outcomes | Fundamental Counting Principle
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| This graph uses bars to show the frequency of data within equal intervals | histogram
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| Two events in which the first event does not affect the outcome of the second event | independent event
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| Doing the opposite operation | inverse operation
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| numbers that cannot be written as a fraction; a set of real numbers that never ends or repeats | irrational
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| the average of a set of data | mean
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| the most frequent number in a set of data | mode
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| the middle number in a set of data | median
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| the different between the greatest and least number in a set of data | range
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| the difference between the third and first quartile | interquartile range
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| an angle that measures greater than 90 and less than 180 degrees | obtuse
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| a pair of numbers that gives the coordinate of a point on a grid in this order (horizontal coordinate, vertical coordinate) | ordered pair
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| a data point that does not fit in with the rest of the data | outlier
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| two lines on the same plane that never intersect | parallel lines
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| two lines that intersect to form a right angle | perpendicular line
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| a closed figure formed from line segments that meet only at their endpoints | polygon
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| the chance of an event occurring | probability
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| an equation showing that two ratios are equal (use this to solve similar figures and conversions) | proportion
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| a sample in which every event has an equal change of being selected | random
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| the whole group in a sample | population
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| part of the population | sample
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| any number that can be written as a fraction; a real number that repeats or stops | rational number
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| mirror image | reflection
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| a 90 degree angle | right angle
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| to turn a figure | rotate
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| a list of all possible outcomes | sample space
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| a form for writing numbers as the product of a power of 10 and a decimal number greater than or equal to 1 and less than 10 | scientific notation
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| what should happen when testing an experiment | theoretical probability
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| a transformation in which an image is formed by moving every point on a figure the same distance in the same direction | translation
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| a changing quantity, usually a letter in an algebraic equation or expression | variable
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| negative times a positive equals a _____ | negative
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| negative divided by a negative equals a ____ | positive
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| The theorem used to solve for a missing side length on a right triangle (a squared + b squared = c squared) | Pythagorean Theorem
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| part over whole equals percent over 100 | percent chart
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| half the diameter | radius
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| rise over run; change in y over the change in x | slope
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| a number that indicates how many times the base is multiplied by its factor | exponent
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| a line that divides a figure into two congruent halves that are reflections of each other | line of symmetry
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| when a figure can be rotated less than a full turn and still look that the original figure | rotational symmetry
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| the sum of the areas of all the faces of a 3-d figure | surface area
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| the amount of space inside a 3-d object | volume
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
kimkel
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