This is a free children game. The game helps to learn and remember add numbers up to 10, add numbers up to 20, subtract numbers up to 10 and subtract numbers up to 20. Your kid will love to solve math questions and remember the result by heart. Kindergarten and first grade children learn to add with numbers and subtract with numbers. This free version with ads is fully featured and includes all games and animations. This math game is created for children and easy to navigate. This is a fun ad