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Secrets of Mental Math: The Mathemagician's Guide to Lightning Calculation and Amazing Math TricksAug 8, 2006
Number Talks: Helping Children Build Mental Math and Computation Strategies, Grades K 5, Updated with Common Core...Mar 1, 2014
Mental Math, Grade 7: Strategies and Process Skills to Develop Mental Calculation (Singapore Math)Jan 3, 2011by Singapore Asian Publications
Abacus Mind Math Level 1 Workbook 1: (of 2) Excel at Mind Math with Soroban, a Japanese AbacusJun 1, 2014