Solve subtraction problems and advance through themed
Students solve subtraction problems by moving numbers into correct positions. Problems increase in difficulty. Correct answers earn points and unlock themed levels. Incorrect answers are revisited until mastered.
The app is a 3-minute addition challenge designed for children to practice addition facts. Students solve problems and unlock animated worlds with correct answers, receiving extra practice on incorrect problems until mastered.
View conference schedules, presentations, exhibitors, and speaker details. Take notes on slides, posters, and exhibitor info. Draw directly on slides. Share notes via in- messaging, email, and social media.
Learn flags, countries, capitals, currencies, and more through quiz games. Play six quiz modes with nine difficulty levels each. Track progress with leaderboards and unlock 50 achievements. Test knowledge and compare scores with other players.
