Instructional Videos, • 4/22/25 How to Do Rapid Mental Multiplications using Cross-Multiplication (with Mental Calculator Sam Engel) Previous Alternative Strategies for Rapid Mental Multiplications (with Mental Calculator Sam Engel) Next How to Do Rapid Mental Multiplications the Traditional Way (with Mental Calculator Sam Engel) You Might Also Like The Battle, Part 1: Calculation League Season 2 --- Wenzel vs. Aaryan (narrated by Sam Engel) Mental Calculation League Season 1, Week 2 Highlighted Match Calculation League Season 3, Playoff Week 2 Match Calculation League Season 2 Finals --- Aaryan vs. Rahul Calculation League Season 2 Playoffs: Rahul vs. Domenico
Instructional Videos, • 4/22/25 How to Do Rapid Mental Multiplications using Cross-Multiplication (with Mental Calculator Sam Engel) Previous Alternative Strategies for Rapid Mental Multiplications (with Mental Calculator Sam Engel) Next How to Do Rapid Mental Multiplications the Traditional Way (with Mental Calculator Sam Engel) You Might Also Like The Battle, Part 1: Calculation League Season 2 --- Wenzel vs. Aaryan (narrated by Sam Engel) Mental Calculation League Season 1, Week 2 Highlighted Match Calculation League Season 3, Playoff Week 2 Match Calculation League Season 2 Finals --- Aaryan vs. Rahul Calculation League Season 2 Playoffs: Rahul vs. Domenico
