Number Sense

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9 Terms

1

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1 cup

8 floz

2

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1 gallon

128 floz

3

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1 gallon

231 in³

4

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15mph

22 ft/s

5

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triangular number

n(n-1) / 2

6

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pentagonal number

n(3n-1) / 2

7

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hexagonal number

2n²-n

8

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octagonal number

n(3n-2)

9

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nonagonal number

(7n²- 5n) / 2