OptiBrain UCMAS Practice

Master mental math with flash cards, listening practice, a structured UCMAS curriculum, and progress tracking on iOS and Android.

Download for your device.

Choose the mobile or desktop version that fits your device.

Built around the UCMAS method with focused tools for rapid mental calculation.

Timed flash cards follow the UCMAS curriculum from Foundation through Construction, with difficulty that builds rapid mental calculation.

Hear numbers and solve them mentally without seeing the question, matching the auditory demands of UCMAS competitions.

Progress from Prefoundation to Construction using Small Friends, Big Friends, and Mixed Friends techniques.

Choose digits, rows, formula types, and question counts to focus practice or recreate competition conditions.

Review streaks, accuracy, and session history across both practice modes to see where you are improving.

Start with a comfortable tempo, then move through five speed settings as your mental calculation improves.

A closer look at practice, review, and progress across OptiBrain.

Available for iOS, Android, Windows, and macOS.