Helps practice trigonometric functions of special angles through a game. Players answer questions to fill rows, columns, or diagonals. Immediate feedback is provided after each answer. Hints are available for each play.
Play casual games including puzzles, Sudoku, word cross, and math challenges. Solve number-based problems to improve logic, math skills, and memory. No internet required. Track progress and replay puzzles anytime.
Solve puzzles with varying board sizes. Select from dark or color themes. Access daily challenges and casual mode. Track progress and play puzzles of different difficulty levels.
Play by filling a 9×9 grid with digits 1-9. Choose from four difficulty levels. Ensure no repeated numbers in rows, columns, or 3×3 sub-grids. Solve puzzles using logical deduction only.
Clear the game board by matching pairs of equal digits or digits that add to ten. Tap ADD to introduce new numbers when no matches remain. Track progress through multiple pages.
Daily personalized training offers a 4-game workout targeting memory, problem-solving, math, and focus. Games adapt based on performance. Includes 24 scientifically designed games for cognitive skill development.
Solve puzzles by filling in numbers to complete arithmetic operations. Complete grids with correct calculations. Track progress and unlock new puzzles. Share solutions with friends.
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.