Rational Number Operations
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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| opposites | Two numbers that lie the same distance from 0 on the number line but in opposite directions (-1, 1)
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| additive inverse | The additive inverse of any number x is the number that gives zero when added to x (5, -5
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| integers | All whole numbers and their opposites
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| absolute value | The distance of a number from zero on a number line.
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| zero pair | a pair of numbers whose sum is zero
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| difference | Solution to a subtraction problem
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| sum | Solution to an addition problem
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| inverse operations | Operations that undo each other (+, -)
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| numerator | The number above the fraction bar that indicates the number of parts of the whole there are in a rational number
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| denominator | The number below the fraction bar that indicates how many parts the whole is divided into
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| terminating decimal | While expressing a fraction into a decimal by the division method, if the division comes to an end after a finite number of steps, then such a decimal is a Terminating Decimal. Examples : 1⁄4 = 0.25
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| repeating decimal | A digit or a set of digits in the decimal part is repeated continuously. Example: 5⁄6 = 0.8333....
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| rational number | Any number that can be expressed as a ratio of two integers.
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| least common multiple | The smallest positive number that is a multiple of two or more given numbers.
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| trigger words | Words or Phrases that tell you to do a certain mathematical operation such as addition or subtraction
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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:
Mrs Ott
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