Solve puzzles by filling in numbers to complete arithmetic operations. Complete grids with correct calculations. Track progress and unlock new puzzles. Share solutions with friends.
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.
Practice facts with customizable for addition, subtraction, multiplication, and division. Set number ranges from 9 to 99. Answer questions with taps or swipes. Track progress and review mistakes. Adjust difficulty levels and customize card types.