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Instructional Videos, • 4/23/25 Alternative Strategies for Rapid Mental Multiplications (with Mental Calculator Sam Engel) Previous Traditional vs. Cross Multiplication (with Mental Calculator Sam Engel) Next How to Do Rapid Mental Multiplications using Cross-Multiplication (with Mental Calculator Sam Engel) You Might Also Like Calculation League Season 2 Finals --- Wenzel vs. Swanand Calculation League Season 3, Playoff Set of the Stage: Kaloyan Mental Calculation League Season 1, Playoff Match #5 (Regulation) Calculation League Season 3 Finals, Match #9 --- Abhilakshya vs. Kaloyan Calculation League Season 3, Playoff Week 5 Match
