2. Decimal Operation
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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| Commutative Property | The order of addends can be changed and the sum remains the same.
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| Associative Property | Addends can be regouped and the sum remains the same.
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| compatible numbers | Numbers which are easy to compute with mentally,
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| compensation | Adjusting one number of an operation to make computation easier and balancing the adjustment by changing the other number.
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| rounding | A process that tells which multiple of 10, 100, 1,00 etc...a number is closest to.
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| exponent | A number that tells how many times the base is used as a factor.
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| decimal | A number with one or more digit to the right of the decimal point.
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| decimal place | The position of a digit to the right of a decimal point.
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| standard algorithm | Specific method to solve a mathematical problem.
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| sum | The number that is the result of adding two or more addends.
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| difference | The number that results from subtracting one number from another.
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| product | The number that is the result of multiplying two or more factors.
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| factors | Numbers that are multiplied to get a product.
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| Distributive Property | Multiplying a sum (or difference) by a number is the same as multiplying each number in the sum (or difference) by the number and adding (or subtracting) the product.
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| multiple | The product of a given whole number and any other whole number.
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| exponential notation | A way to write a number using a base and an exponent
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| base | The number that is multiplied by itself when raised to a power.
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| standard form | A common way of writing a number with commas separating groups of three digits starting from the right.
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| expanded form | A way of writing numbers involving exponents that shows the base as a factor.
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| squared | A name for a number to the second power.
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| cubed | A name for a number to the third power.
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| power | A number that tells how many times the base is used as a factor.
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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.
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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:
KHenik
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