Chapter 2
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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| term | A number in a pattern.
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| conjecture | A prediction that suggests what can be expected to happen.
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| numerical expression | An expression with only numbers and operation.
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| algebraic expression | A mathmathemtical phrase that uses variables, numbers, and operations.
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| variable | A letter that stands for a number.
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| evaluate | Replace each variable with a number. Then follow the order of operations.
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| equation | A mathematical sentence with an equal sign.
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| open sentence | An equation with one or more variables.
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| solution | Is any value or values that make an equation or inequality true.
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| inverse operation | Are operations that undo each other.
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| Subtraction Property of Equality | States that if the same number is subtracted from each side of an equation, the results are equal.
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| Addition Property of Equality | States that if the same value is added to each side of an equation, the results are equal.
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| Division Property of Equality | States that if both sides of an equation are divided by the same nonzero number, the results are equal.
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| Multiplication Property of Equality | States that if each side of an equation is multiplied by the same number, the results are equal.
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| Distributive Property | How multiplication affects addition or subtraction: 3 x (7+5) = (3x7) + (3x5)
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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:
palsm
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