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Partitioning numbers

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Column addition

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Column Addition with carrying

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Column Addtion with decimals

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Column Subtraction

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Column Subtraction with exchanging

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More Column Subtraction with exchanging

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Multiplication

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Multiplying by 10

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Mutiplying by 100

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Dividing by 10

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Dividing by 100

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Division

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Division with remainders

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adding fractions

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