Learners practice addition, subtraction, multiplication, and division through three difficulty levels. Complete problems to progress. Track scores and review answers for each question.
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.
Practice arithmetic operations including addition, subtraction, multiplication, and division. Track missed numbers in a sequence. Complete quizzes across 22 categories. Available in 30+ languages.