Operations & Properties
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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Estimate | are close to the exact answer but are usually easier and faster to find.
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Compatible Number | are close to the numbers in the problem, and they can help do math mentally.
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Underestimate | an estimate that is less than the exact answer.
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Overestimate | an estimate that is greater than the exact answer.
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Dividend | the number to be divided into groups.
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Divisor | the number by which the dividend is divided.
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Exponent | a number by which tells how many times the base is used as a factor.
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Base | the number that is used as a factor.
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Exponential Form | is when a number is written with a base and an exponent.
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Numerical Expression | is a mathematical phrase that includes only numbers and operation symbols.
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Simplify | finding the value of a numerical expression.
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Order of Operations | a rule for evaluating expressions: Parenthesis, Exponents, Multiplication/Division (order from L→R), Addition/Subtraction (order from L→R).
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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:
Juchrin
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