Practice addition and subtraction within 20 using a 100-bead string. Arrange beads in rows of 1, 2, or 10. Move and reset beads easily. Annotate work and explore place value, counting, and number composition. Supports Common Core standards.
Learn basic operations including addition, subtraction, multiplication, and division. Answer questions to earn scores and collect various types of monsters. Access context-dependent hints and use an easy-to-navigate interface for practice.
The app offers interactive practice for addition, subtraction, multiplication, and division. It includes a timed mode to test knowledge and a "just play" mode for untimed practice.
Teach addition and subtraction through interactive games. Complete challenges with cool animations. Track progress and practice skills in a fun environment.
Slide a panel to guide the from start to goal by connecting railroad segments. Adjust difficulty levels: easy, normal, hard. Fail if no railroad is available ahead. Collect coins to increase speed. Track distance to goal and red apple count.