Number Sense Ch 1-3
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| Fraction | Parts of a whole
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| Common Factor | A number that is a factor of two or more numbers
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| Factor | A number multiplied by another number to find a product
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| Dividend | The number that is to be divided in a division problem
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| Prime Number | A number that has exactly two factors: 1 and itself
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| Prime Factorization | A number written as the product of all of its prime factors
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| Divisor | The number that divides the dividend
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| Greatest Common Factor (GCF) | The greatest factor that two or more numbers have in common
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| Least Common Multiple (LCM) | The least number that is a common multiple of two or more numbers
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| Reciprocal | Two numbers are reciprocals of each other if their product equals 1
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| Mixed Number | A number that is made up of a whole number and a fraction
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| Simplest Form | A fraction is in simplest form when the numerator and denominator have only 1 as a common factor
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| Compatible Numbers | Numbers that are easy to compute with mentally
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| Multiplicative Inverse | A reciprocal of a number that is multiplied by that number resulting in a product of 1
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| Common Denominator | A common multiple of two or more denominators
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| Equivalent Fractions | Fractions that name the same amount or part
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| Absolute Value | The distance of an integer from zero on a number line
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| Ordered Pair | A pair of numbers used to locate a point on a grid
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| Opposites | Two numbers that are the same distance, but in opposite directions, from zero on a number line
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| Line Symmetry | A figure has line symmetry if it can be folded about a line so that its two parts match exactly
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| Negative Integer | Any integer less than zero
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| Integers | The set of whole numbers and their opposites
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| Coordinate Plane | A plane formed by a horizontal line called the x-axis and a vertical line called the y-axis
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| Line of Symmetry | A line that divides a figure into two halves that are reflections of each other
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| Origin | The point where the two axes of a coordinate plane intersect
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| X-Coordinate | The first number in an ordered pair; tells the distance to move right or left from (0,0)
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| Y-Coordinate | The second number in an ordered pair; tells the distance to move up or down from(0,0)
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| Quadrants | The four regions of the coordinates plane separated by the x- and y-axes
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| Rational Number | Any number that can be written as a ratio a/b where a and b are integers and b does not equal 0
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| Positive Integer | Any integer greater than zero
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| X-Axis | The horizontal number line on a coordinate plane
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| Y-Axis | The vertical number line on a coordinate plane
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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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