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.
by Hirokazu Komatsu★ 4.560 ratingsEducationFreeData updated 2026-09-28
Learn through interactive -inspired tools. Practice number sense, addition, subtraction, multiplication, and division with adaptive lessons. Complete activities that reinforce concepts and track progress over time.
Calculate fractions with addition, subtraction, multiplication, and division. Convert fractions to decimals. Adjust recipe quantities for different serving sizes. Review math problems and convert measurements between cups and teaspoons.
Practice problems with addition, subtraction, multiplication, and division. Solve equations with numbers up to 1000. Track progress over time. Draw numbers directly on the screen for an interactive experience.
Practice skills in geometry, addition, subtraction, multiplication, and division. Customize difficulty levels and align with Common Core standards. Track progress with detailed reports and adjust settings for individual learning needs.
Play a platform game that combines practice with zombie combat. Solve addition, subtraction, multiplication, and division problems to defeat . Collect Time Gems to challenge boss .
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.
Perform -based calculations with addition, subtraction, multiplication, and division. Input and display in days, hours, minutes, and seconds. Customize format preferences. Convert between different units.
Lets users switch between basic and scientific modes with over 30 operations. Customize leather color and background texture on iPad. Use portrait or landscape orientation on iPad. Take notes or draw on the screen.
Practice skills with addition, subtraction, multiplication, division, place value, percentages, rounding, and comparisons. Solve problems to earn speed boosts in a 3D game.
Solve problems by taking photos. View detailed solving steps. Perform addition, subtraction, division, and multiplication. Support 12 significant digits. Switch between landscape and portrait mode. No ads.
Perform calculations with addition, subtraction, division, and multiplication. Calculate powers, roots, and percentages. Use dark mode, split view, and portrait/landscape orientation. Copy results by pressing and holding numbers.
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.
Practice mental arithmetic with exercises in addition, subtraction, multiplication, and division. Set goals and track progress. Customize difficulty levels and receive instant feedback after each answer. Share scores with friends.
Learn about the and its history through interactive lessons. Practice using the Soroban with virtual beads. Track progress with exercises and quizzes. Share results and compare scores with others.