Practice mental arithmetic with timed challenges featuring addition, subtraction, and division problems. Learn techniques through structured lessons. Train finger movements and mental calculation skills with interactive exercises.
by Hirokazu Komatsu★ 4.882 ratingsEducationFreeData updated 2026-09-06
Use an with customizable size, position, and color settings. Perform calculations up to 15 digits. Challenge addition, subtraction, multiplication, and division problems. Adjust bead sounds and screen orientation for horizontal use.
Learn arithmetic using an with step-by-step tutorials. Practice mental calculations through interactive games. Perform complex math operations quickly by visualizing the . Track progress and improve calculation speed and accuracy.
Learn basic counting and arithmetic using an . Perform single-digit addition and subtraction. Practice number recognition and counting skills. Track progress with interactive exercises and visual aids.
Practice mental math with addition and subtraction exercises. Use flash cards to learn techniques. Complete multiplication and division trainers with times tables. Track progress through adaptive difficulty levels.
Learn shapes, numbers, and math through interactive
Learn basic math concepts like addition, subtraction, and shape recognition through interactive . Practice , color identification, and time-telling activities. Complete exercises to reinforce learning and track progress visually.
The app provides a full tutorial on using the abacus and trains mental calculation skills through games. It features 55 stages designed by qualified teachers for children aged 5 and up.
Learn addition and subtraction using a Soroban . Move beads to perform calculations. Practice basic math operations. Track progress with interactive exercises. Sync with devices for continued learning.
Play abacus, create problems, practice calculations
Use the touch screen to simulate abacus operations. Create and solve arithmetic problems manually or with the abacus. Track progress and practice calculations using both methods.
Teaches arithmetic using a double-sided . Recognizes quantities through subitizing and visual strategies. Supports learning by grouping numbers in fives and tens. Enables trading up to thousands. Includes lessons for mathematical facts.
The app provides illustrated tutorials and a step demonstrator for learning abacus mental arithmetic. It includes a virtual abacus for practice and features that explain concepts and techniques for addition and subtraction.
Perform basic arithmetic operations including addition, subtraction, multiplication, and division. Access scientific functions for advanced calculations. Convert units between different measurement systems.
Select problem levels from multiple difficulty categories. Practice abacus skills with targeted exercises. Track progress and adjust difficulty as needed.
The app helps users develop mental calculation speed by simulating an abacus. It presents ten figures sequentially for addition, allowing users to become familiar with abacus techniques.