Doubles Fact: 1 + 1 = 2, 2 + 2 = 4, 3 + 3 = 6, 4 + 4 = 8, 5 + 5 = 10, 6 + 6 = 12, 7 + 7 = 14, 8 + 8 = 16, 9 + 9 = 18, 10 + 10 = 20, 11 + 11 = 22, 12 + 12 = 24, 13 + 13 = 26, 14 + 14 = 28, 15 + 15 = 30, Near Doubles Fact: 1 + 2 = 3, 1 + 0 = 1, 2 + 3 = 5, 3 + 4 = 7, 4 + 5 = 9, 5 + 6 = 11, 6 + 7 = 13, 7 + 8 = 15, 8 + 9 = 17, 9 + 10 = 19, 10 + 11 = 21, 11 + 12 = 23, 12 + 13 = 25, 13 + 14 = 27, 14 + 15 = 29, 15 + 16 = 31,

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