Value of a Variable lesson a - c
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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| Exponent | Indicates the number of times the base is to be used as a factor.
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| Evaluate | means to find its value.
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| Order of operation | the rule that lets you know which operation to perform first
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| Evaluate Algebraic Expressions | replace the variable with their values. Then find the value of the numerical expression using the order of operation.
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| algebraic expression | sums and/or products of numbers and variables
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| variable | symbols used to represent unknown numbers or values
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| term | number, variable, or a product or quotient of numbers and variables
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| factor | in multiplication, the quantities being multiplied
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| product | the result of multiplying two or more quantities
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| Equivalent expressions | expressions that represent the same number.
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| Additive Identity | For any number a, the sum and a and 0 is a.
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| Multiplicative Identity | For a number a, the product of a and 1 is a.
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| Multiplicative Property of Zero | For any number a, the product of a and 0 is 0
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| Multiplicative Inverse (reciprocals | For every number a/b, where a, b ≠ 0, there is exactly one number b/a such that the product of a/b and b/a is 1.
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| Commutative Property | The order in which you add or multiply numbers does not change their sum or product.
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| Associative Property | The way you group 3 or more number when adding or multiplying does not change their sum or product.
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| Distributive Property | When you multiply a number by a group of numbers added together you get the same answer as when you do each multiplication separately
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| Like Terms | terms that contain the same variables, with corresponding variables having the same power.
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| Simplest Form | when an expression contains no like terms and parentheses.
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| Coefficient | The numerical factor of a term.
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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:
MrsMWilliams
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