Comprehensive math training across core operations - Covers multiplication, division, addition, and subtraction to reinforce essential concepts for learners at different stages. 15 double-sided, multifunctional cards - Features varying skill levels on each card to support age-appropriate practice and progression. Durable, high-quality construction - Made from thick laminated paper to withstand repeated use without tearing or fading. - Waterproof coating resists spills and stains, while the surface allows smooth erasing and rewriting. Interactive self-check system - Front side presents focused problems; back side reveals answers with guided steps. - Bidirectional design helps learners diagnose errors and solidify understanding. Portable and organized - Includes an erasable marker and sorting cards for organized practice. - Compact size enables practice anywhere, ideal for spontaneous math games or structured review.