Arithmetic

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Non-traditional Methods

Vedic Methods

Trachtenberg Methods

"Dot to Pretend" Subtraction

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Techniques for Checking Answers

Digit Roots and Casting Out Nines

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Addition

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Glossary Page

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Subtraction

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Glossary Page

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"Dot to Pretend" Subtraction

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Multiplication

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Glossary Page

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Division

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Glossary Page

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Order of Operations

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Glossary Page

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Divisibility

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Divisibility by 2, 5 and 10

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Divisibility by 3, 6 and 9

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Divisibility by 4, 8 and 16

Divisibility by 7

Divisibility by 11

Divisibility by 13

Divisibility by other numbers up to 25

Glossary Page

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