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With this video you will learn: - using end zeros - double & doubling doubles - multiplying by 11 - addition method - halving & doubling - subtraction method - criss-cross multiplication - compatible factors Part of the "Totally Cool Math" series, an innovative program designed by teachers that teaches mental math and makes learning easier, faster, and fun! 96 minutes • Color -- With this video you will learn: - using end zeros - double & doubling doubles - multiplying by 11 - addition method - halving & doubling - subtraction method - criss-cross multiplication - compatible factors Part of the "Totally Cool Math" series, an innovative program designed by teachers that teaches mental math and makes learning easier, faster, and fun! 96 minutes • Color
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$19.95