Chapter 9
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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multiple | the product of a given whole number and another whole number
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factor | a number that is multiplied by another number
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compatible number | nearby numbers that are easy to compute with mentally
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estimate | to find an answer that is close to the exact amount
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round | to replace a number with another number that tells about how many or about how much
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regroup | to exchange amounts of equal value to rename a number
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partial product | a method of multiplying in which ones, tens, hundreds, and so on, are multiplied separately and then the products are added
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array | an arrangement of objects in rows and columns
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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:
RossCoops3
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