TREND Addition & Subtraction Three Corner Flash Cards Homeschool Math Set

Popular Trend three-corner flash cards designed to help children master addition and subtraction facts through 12. Unique self-checking triangular cards teach both operations and the relationship between them, making learning interactive and fun for homeschool, classroom, tutoring, or educational play. Self-checking three-corner flash cards Addition and subtraction through 12 46 double-sided durable cards Original reusable storage container included Designed for individual or small-group learning Recommended ages 6-8 years Grades 1st-3rd Measurements: Cards measure approx. 5.5" Condition: Preowned condition with light wear from age and use. May show minor edge wear, marks, or surface wear consistent with educational materials. Smoke-free home.