Unit 7: Rational Explorations: Numbers and their Opposites
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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| Absolute value | The distance between a number and zero on the number line. The symbol for absolute value is shown in the equation |-8|=8.
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| Coordinates | An ordered pair, (x,y), that locates a point in a plane.
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| Inequality | Any mathematical sentence that contains the symbols > (greater than), < (less than), < (less than or equal to), or > (greater than or equal to).
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| Integers | The set of whole numbers and their opposites {…-3,-2,-1,0,1,2,3,…}
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| Negative numbers | The set of numbers less than zero
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| Opposite number | Two different numbers that have the same absolute value. Example
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| Ordered Pair | A pair of numbers, (x,y), that indicate the position of a point on the Cartesian Plane.
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| Origin | The point of intersection of the vertical and horizontal axes of a Cartesian plane. The coordinates of the origin are (0, 0).
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| Positive number | The set of numbers greater than zero.
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| Rational number | The set of numbers that can be written in the form a/b where a and b are integers and b≠0.
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| Sign | a symbol that indicates whether a number is positive or negative. Example
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| x-axis | The horizontal number line on the Cartesian coordinate plane.
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| x-coordinate | The first number of in ordered pair; the position of a point relative to the vertical axis
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| y-axis | The vertical number line on the Cartesian coordinate plane
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| y-coordinate | The second number in an ordered pair; the position of a point relative to the horizontal axis
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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.
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.
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:
mcrippen
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