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11 Cards in this Set
- Front
- Back
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multiplication |
repeated addition |
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expanded form |
writing numbers to show the value of each digit. example: 274 = 200 + 70 + 4 |
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estimate |
a number that is close to the exact amount |
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product |
the answer to a multiplication problem |
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commutative property |
property that shows grouping numbers in different ways will give you the same product. example: 4 x 5 = 5 x 4 |
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half |
to divide by two |
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place value |
value according to place in a number. example: thousand, hundred, tens, ones |
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reasonable |
possible or logical; makes sense as a possible answer choice |
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associative property |
property that shows grouping numbers in different ways will give you the same product Example: 4 x (5 x 2) = (4 x 5) x 2 |
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partial products |
method of multiplying where the place values are multiplied then added back together |
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twice as many |
to multiply by 2 |
