Abacus Practice

Practice addition with a clean, distraction-free interface designed to help you focus.
Whether you're a student brushing up on math or just want to stay sharp, this app makes it easy.

Simple and intuitive design
• Completely free - no ads, no sign-ups
• Immediate feedback with clear answers
• Works great on all screen sizes

Perfect for kids, students, or anyone looking to improve their basic math skills in a straightforward, simple app.