(AR) Number Line

New: Calculation Jumps – reach the target number with as few calculation jumps as possible (+, −, ×, :, jump to the next ten); Number Pong – a Pong-style game: move the number line so that the target number is where the ball hits; single-player and two-player mode. Interactive introduction: when opening the number line for the first time, and anytime via the ? icon, a short voice-guided interactive tour explains all features. The AI tutor shows hints on the number line: together with spoken guidance, it can highlight numbers, mark the midpoint, show helper lines, or zoom in – offering orientation without revealing the solution. Diagnostic note after each exercise (strategy, possible misconception, next learning step) – visible in the learning progress report. Guide for “Calculation Jumps” (overview card at the start + explanatory tour via ?). AI learning progress report with competence-oriented feedback on each child’s strengths. Improved Easier creation of child profiles (the checkmark confirms the name and immediately selects it). Better display of decimal and negative numbers, dynamic zoom, fairer AI use, faster AI model, and offline notices. Optimized stability, speed, and layout. Fixed Speech bubble text appears immediately; final score is calculated correctly; various layout/display issues and gesture conflicts have been fixed.