Learn and practice with problems ranging from 2 to 3 numbers. Each addend has 1 to 6 digits. Choose random or custom problems. Adjust tutorial animation speed. View step-by-step solutions with the play tutorial button.
Solve Sudoku puzzles with adjustable difficulty levels. Track progress and statistics. Access hints and undo moves. Play offline and sync across devices. Share completed puzzles. Customize board appearance.
Teach and practice with customizable settings. Solve random or custom problems with adjustable number lengths. Set colors and interface preferences. Track progress with interactive exercises.
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.
Practice and subtraction with interactive step-by-step guides. Use flash cards with varying difficulty levels. Access audio instructions to reinforce learning. Track progress through structured exercises. Share results with educators for feedback.
Practice mental arithmetic with addition, subtraction, multiplication, division, and mixed modes. Use 1 to 5 digit numbers in column format. Track daily scores and view progress graphs. Compete in rankings via Game Center.
Perform to sum two numbers. Generate worksheets for practice. View step-by-step calculations. Save and share worksheets. Adjust number ranges and difficulty levels.
Allows users to perform complex calculations with a natural display that shows expressions as written. It supports fractions, roots, and exponents. The includes a graphing module for visualizing equations.