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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 Mental Calculation League Season 1, Week 5 --- Champion Showdown Traditional vs. Cross Multiplication (with Mental Calculator Sam Engel) The Battle, Part 1: Calculation League Season 2 --- Wenzel vs. Aaryan (narrated by Sam Engel) Mental Calculation League Season 1, Week 8 --- Highlighted Match Mental Calculation League Season 1, Week 7 --- Highlighted Match
