Subtracting 3

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• 3 - 3 = 0
• 4 - 3 = 1
• 5 - 3 = 2
• 6 - 3 = 3
• 7 - 3 = 4
• 8 - 3 = 5
• 9 - 3 = 6
• 10 - 3 = 7
• 11 - 3 = 8
• 12 - 3 = 9
• 13 - 3 = 10