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Addition Fact Tests

Link on left, new facts introduced in ( ). The facts are cumulative, for example, the facts on Addition D also include the facts from Addition A, B, and C.  The goal is 20/20 facts correct in one minute, but you may pass a level with a score of 19/20.

Addition A (1+2, 2+1, 1+3, 3+1)

Addition B (1+4, 4+1, 1+1)

Addition C (1+5, 5+1, 2+2)

Addition D (1+6, 6+1, 3+3)

Addition E (1+7, 7+1, 4+4)

Addition F (1+8, 8+1, 5+5)

Addition G  (9+1, 1+9, 0+any number)

Addition H (2+3, 3+2, 6+6)

Addition i(4+2, 2+4, 7+7)

Addition J (5+2, 2+5, 8+8)

Addition K (6+2, 2+6, 9+9)

Addition L (7+2, 2+7, 4+7, 7+4)

Addition M (8+2, 2+8, 8+6, 6+8)

Addition N  (9+2, 2+9, 9+6, 6+9)

Addition O  (4+3, 3+4, 6+7, 7+6)

Addition P (3+5, 5+3, 7+8, 8+7)

Addition Q (5+8, 8+5, 7+9, 9+7)

Addition R (6+3, 3+6, 5+9, 9+5)

Addition S (7+3, 3+7, 8+9, 9+8)

Addition T (8+3, 3+8, 9+4, 4+9)

Addition U (9+3, 3+9, 5+7, 7+5)

Addition V (4+5, 5+4, 4+8, 8+4)

Addition W (4+6, 6+4, 5+6, 6+5)

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