Continuous Addition Worksheet
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Answer
Addition Cheat Sheet
Single-Digit Addition:
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0 + 0 = 0
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1 + 1 = 2
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2 + 2 = 4
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3 + 3 = 6
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4 + 4 = 8
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5 + 5 = 10
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6 + 6 = 12
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7 + 7 = 14
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8 + 8 = 16
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9 + 9 = 18
Adding 10 to a Number:
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10 + 1 = 11
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10 + 2 = 12
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10 + 3 = 13
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10 + 4 = 14
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10 + 5 = 15
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10 + 6 = 16
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10 + 7 = 17
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10 + 8 = 18
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10 + 9 = 19
Adding 1 to a Number:
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1 + 1 = 2
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2 + 1 = 3
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3 + 1 = 4
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4 + 1 = 5
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5 + 1 = 6
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6 + 1 = 7
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7 + 1 = 8
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8 + 1 = 9
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9 + 1 = 10
Basic Two-Digit Addition:
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10 + 10 = 20
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20 + 10 = 30
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30 + 10 = 40
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40 + 10 = 50
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50 + 10 = 60
Simple Carrying:
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9 + 5 = 14 (write down 4, carry over 1)
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7 + 8 = 15 (write down 5, carry over 1)
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8 + 6 = 14 (write down 4, carry over 1)
Double-Digit Addition with Carrying:
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27 + 48: Add units: 7 + 8 = 15 (write 5, carry over 1). Add tens plus carry: 2 + 4 + 1 = 7. Result: 75