Place Value, Multiplication & Expressions
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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base | A number used as a repeated factor
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distributive property | The property that states that multiplying and dividing a sum by a number is the same as multiplying or dividing each addend by the number and then adding the products or quotients.
Example: 5 x (7 + 9) = (5 x 7) + (5 + 9)
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evaluate | To find the value of an expression
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exponent | A number that tells how many times a base is used as a factor.
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inverse operations | Opposite operations that undo each other; addition and subtraction are inverse operations; multiplication and division are inverse operations.
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numerical expression | A mathematical phrase that has numbers and operation signs but NO EQUAL SIGN.
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order of operations | The process for evaluating expressions.
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period | Each group of three digits separated by commas in a multi-digit number.
Example: 2,345,210 (There are THREE periods in this number)
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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:
kpotvin
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