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12 Cards in this Set
- Front
- Back
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Round |
an answer that is closest to the nearest 10, 100, 1,000, or 10,000. |
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About |
means to round and give an estimated answer |
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Estimate |
a calculated guess (rounded answer) that is close to the real answer |
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Product |
an answer to a multiplication problem |
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Sum |
an answer to an addition problem |
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Difference |
an answer to a subtraction problem |
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Regroup |
means to rename a group of objects Ex.- 13 ones is the same as 1 group of 10 and 3 ones |
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Factor |
2 numbers multiplied together to equal a product |
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Traditional method |
multiplication using regrouping |
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Place Value Method |
multiplication using the value of each digit, and then adding them together |
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Area Model |
another multiplication process using place value |
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Variable |
a letter used to represent a missing number in an equation |
