Perform arithmetic operations by adding, subtracting, or multiplying adjacent numbers and entering the last digit of the result. Complete 15-minute sessions with 5-minute breaks, followed by a 15-minute session.
by Takahide Kambe★ 4.819 ratingsEducationFreeData updated 2026-09-06
The app is a word puzzle game where players find German words by linking adjacent letter beads. Players can shift letter beads to increase word possibilities without time pressure.
Practice arithmetic with interactive flashcards, solve problems in column or linear formats, and identify missing numbers in equations. Track progress with daily drills and homework support.