Properties of addition
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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| Associative Property of Addition | Grouping the addends does not change the sum.
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| estimate | To find an answer that is close to the exact answer.
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| decimal point | The symbol that goes before the amount of cents.
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| Commutative Property of Addition | The order in which the numbers are added does not change the sum.
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| dollar sign $ | The symbol that goes before the sum of dollars.
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| Identity Property of Addition | The sum of any number and zero is the number.
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| sum | The answer to an addition problem.
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| front-end estimation | When you add only the front digits of a number
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| regroup | To rename a number using place value. (to borrow )
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| Cent sign | The symbol that goes after the sum of cents.
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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:
Mrs. Hise
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