Recent research has shown that basic mathematical skills have a positive effect on future mathematical performance.
SeaNumbers is a learning app for children to train these basic skills in the number range from 1 to 20.

SeaNumbers promotes the following skills:
- Counting
- Forming number sequences
- Determining predecessor and successor numbers
- Simultaneous and quasi-simultaneous quantity memorization
- Comparing quantities
- Linking quantities and numbers

SeaNumbers offers:
- Four different learning environments
- Intuitive use
- Child-friendly design
- Different types of tasks
- Immediate, visual and auditory feedback
- Three different levels of difficulty per learning environment
- Basic languages are German and English, additional languages can be added through the built-in recording function