A pedagogical math-app which teaches ’the Friends Of Ten’, e.g. the number pairs that makes 10. The app is a great tool for teachers to make the pupils train and engage. The best and most appreciated feature in the app is that the pupil can test its knowledge in a duel with a friend, teacher, or a parent on the same device. The pupil can learn, train, play a game, and duel to get better at ’the Friends Of Ten’. You can today choose English or Swedish as language. Get it from GooglePlay: https://play.google.com/store/apps/details?id=com.segelson.easyasthis.friendsoften