Open Access | Research ArticleEffects of a Realistic Mathematics Education-Based Tablet Intervention on Second-Grade Addition Skills January 30, 2026 Education, Engineering Authors: Emmanouil Skordialos, George Baralis and Nicholas Zaranis Journal: Advances in Mobile Learning Educational Research DOI: 10.25082/AMLER.2026.01.007 Pub. Date: January 30, 2026