The app offers practice recognizing additive "10 Families" by filling a 10 Frame. Users can select sequential or random filling and use contrasting color chips to determine answers.
by Randy Hengst★ 3.58 ratingsEducationFreeData updated 2026-09-17
The app simulates ancient Chinese calligraphy practice on an iPad. It features a 400-character demo from the Duo Bao Ta Bei, with stroke width controlled by finger movement speed and acceleration.
Practice math problems with random addition, subtraction, or multiplication questions. Complete 30 problems within 60 seconds. Review correct and incorrect answers. Switch between disciplines easily. Track total time and accuracy.