Three-Corner® Flash Cards

Three-Corner® Flash Cards are an innovative and fun way to practice math facts. Each set contains 48 two-sided, triangle-shaped cards that teach two math operations at once—either addition and subtraction or multiplication and division, with facts through 12. The self-checking design helps students easily verify their answers, making them perfect for independent or small group practice.

These compact and durable flash cards are ideal for learning at home, school, or on-the-go. The unique triangular shape makes them easy to handle, while the sturdy storage box ensures they stay organized and ready for use. Whether for individual study or group activities, these cards are a versatile tool that enhances math fluency and keeps students engaged.