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6 Cards in this Set
- Front
- Back
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billion
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1, 000,000,000
a billion has nine zeroes |
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estimate
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an estimate a close guess, a number close to another number
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exponential notation
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a new to show multiplication
example: 2 with a small 3 next to it is also 2x2x2 |
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lattice multiplication
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a new and fun to way to multiply bigger numbers
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million
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1,000,000
a million has 6 zeroes |
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round a number
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often numbers are rounded to the nearest ten, counting by tens.
Example: 123 is rounded to 120 128 is rounded to 130 133 is rounded to ? 138 is rounded to ? |
