Math Connects 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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| Addend | Any number being added together
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| Compatible Numbers | Numbers in a problem or related numbers that are easy to work with mentally. 720 and 90 are compatible for division because 72 /9 = 8
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| Compensation | Adding an amount to one addend and subtracting, the same amount from the other addend to add mentally.
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| Round | means to change the value of a number to one that is easier to work with.
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| Estimate | a number close to an exact value or indicates about how much
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| Associative Property of Addition | property that states that the way in which numbers are grouped does not change the sum. Example: (3+4) +3= 3+(4+3)
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| Communative Property of Addition | property that states that order in which numbers are added does not change the sum. Example: 2.3 +1.7=1.7+2.3
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| Identity Property of Addition | property that states that the sum of any number and 0 equals the number. Example: 115 + 0 = 115
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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:
ekahl5
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