Correct Facts: 17 - 8 = 9, 16 - 8 = 8, 37 - 8 = 29, 100 - 7 = 93, 100 - 25 = 75, 50 - 10 = 40, 30 - 6 = 24, 20 - 6 = 14, 85 - 7 = 78, 100 - 70 = 30, 100 - 14 = 86, 100 - 21 = 79, 50 - 12 = 38, 70 - 13 = 57, 21 - 9 = 12, 100 - 15 = 85, Incorrect Facts: 10 - 4 = 7, 17 - 8 = 6, 15 - 9 = 7, 30 - 8 = 21, 100 - 50 = 40, 14 - 6 = 9, 13 - 7 = 8, 12 - 7 = 4, 10 - 7 = 2, 11 - 7 = 9, 9 - 7 = 1, 7 - 5 = 3, 6 - 3 = 5, 5 - 1 = 3, 24 - 8 = 18, 25 - 6 = 17,

Error Analysis - (Subtraction Edition)

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