nubmer sence ch 1,3
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| dividend | the number that is to be divided in a division problem.
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| common factor | a number that is a factor of two or more numbers.
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| divisor | a number that divides the dividend.
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| factor | a number multiplied by another number to find a product.
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| least common multiple | the least number that is a common multiple of two or more numbers.
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| greatest common factor | the greatest factor that two or more numbers have in common.
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| prime factor | a number that has exactly two factors 1 and itself.
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| prime factorization | a number written as the product of all its prime factors.
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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 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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| fraction | a number names a part of a whole or a part of a group.
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| common denominator | a common multiple of two of more denominators.
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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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| compatible numbers | numbers that are easy to compute with mentally.
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| equivalent fractions | fractions that name the same amount or part.
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| line of symmetry | a line that divides a figure into halves that are reflections of each other.
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| coordinate plane | a plane formed by horizontal line called the x-axis and a vertical line called the y-axis.
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| integers | the set of whole numbers and their opposites.
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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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| ordered pair | a pair of numbers used to locate a point on a grid.
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| absolute value | the distance of an integer from zero on a number line.
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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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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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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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