Teach and practice with customizable problem settings. Solve random or custom problems with adjustable number sizes. Change colors and interface settings. Track progress through interactive exercises.
by Esa Helttula★ 4.36 ratingsEducation$3.99Data updated 2026-09-08
Perform to sum two numbers. Generate worksheets for practice. View step-by-step calculations. Save and share worksheets. Adjust number ranges and difficulty levels.
Practice math with addition, subtraction, multiplication, and division. Choose operations, set problem ranges up to 12 or 25, and customize problem sets. Adjust layout for left-handed or right-handed use.