A math game where users solve addition, subtraction, multiplication, and division problems within a 20-second time limit. Select symbols to input answers in a hatena box. Compete with friends for correct answers and track progress.
by Kentaro Seki★ 0.00 ratingsEducationFreeData updated 2026-09-15
Practice one- with 81 randomized questions from 1x1 to 9x9. Answer in a timed format to improve speed and accuracy. Choose from four difficulty modes: ascend, descend, random, or random random. View correct answers and track progress.
Second provide practice problems for basic arithmetic. Users can solve equations, select answers, and receive instant feedback. Includes interactive exercises and progress tracking.