With the Minute Math Electronic Flash Card you can build number fact fluency in just a minute! The familiar math fact family triangle is reinterpreted in an engaging electronic format. Encourages practice of operations (add/subtract or multiply/divide) and early algebraic skills related to equations and the commutative property. Offers a 60-second timed mode and a low-pressure untimed mode, plus 3 levels of difficulty. Grades 1 - 3.