The Cranmer Abacus: Unit One - An Introduction

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The Cranmer Abacus: Unit Two - The Counting Method of Addition \u0026 Subtraction

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Cranmer Abacus - 2 (Simple Addition with 4/5 Exchanges)

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How to use a Cranmer Abacus

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Part 1 Intro to the Cranmer abacus

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Cranmer Abacus Counting Method Multiplication: double digit by double digit

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The Cranmer Abacus: Unit Three - The Indirect Method of Addition \u0026 Subtraction

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Cranmer Abacus 8 - Multiplication

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Cranmer Abacus Counting Method Multiplication: double digit by single digit

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Cranmer Abacus Indirect Method Multiplication: single digit by single digit

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Cranmer Abacus Counting Method 99/100 exchange

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Cranmer Abacus Indirect Method Multiplication: double digit by double digit

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Cranmer Abacus Counting Method 9/10 exchange

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Multiplication with the Cranmer Abacus

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Cranmer Abacus Counting Method Multiplication: double digit by single digit

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6 Meet the Cranmer Abacus!

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Cranmer Abacus Counting Method Division: double digit by single digit, no remainder

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Cranmer Abacus Counting Method 49/50 exchange

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Cranmer Abacus Counting Method Multiplication with Decimals

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