Addition and Subtraction

Addition of Two Numbers up to 20

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Addition of two numbers up to 20.

Subtraction of numbers up to 10

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Subtraction of numbers up to 10.

Addition of two-digit number and ones.

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Addition of two-digit number and ones.

Subtraction of two numbers up to 20.

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Subtraction of two numbers up to 20.

Column Addition of two numbers up to 20

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Column addition of two numbers up to 20.