Algebra: Using Addition and Subtraction
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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Parentheses | Symbols used to show what operation should be done first. ( )
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Expression | The math phrase that uses numbers and operation signs but no equal sign.
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Variable | A letter or symbol that can stand for an unknown number.
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Commutative Property | Changing the order of addends does not change the sum.
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Associative Property | Changing how the addends are grouped does not change the sum.
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Identity Property | The sum of any number and zero is that number.
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Equation | A number sentence that states two amounts are equal.
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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:
Central 4th Math
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