Top Soroban
A real Japanese abacus: build numbers, read them and calculate with beads.
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Free interactive trainings for every Top Soroban program: mental arithmetic, Sudoku, KenKen, memory, Rubik's cube and coding. Pick a program and start training right away.

Calculates faster than a calculator
A real Japanese abacus: build numbers, read them and calculate with beads.
Start trainingNumbers flash fast. Add them in your head and climb the eagle ranks.
Start trainingLearn each table fact by fact, with tricky facts coming back more often.
Start trainingA 60-second race in adding, subtracting, multiplying and dividing with Sora.
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Smart shortcuts that solve sums in seconds
11 quick math tricks: a lesson, practice and a 60-second drill.
Start training86 quick-calculation rules from the Top Vida book, grouped by topic. The explanations are for program students.
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Patience, planning and visual memory
Enter your cube and solve it step by step, with a timer and a beginner course.
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Logic and arithmetic in one puzzle
Math cage puzzles from 3×3 to 9×9, with 420 ready-made puzzles.
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Orderly, step-by-step thinking
Sudoku for kids and grown-ups, with hints that teach and 12 lessons.
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Remembers more, forgets less
Match pictures in 9 packs and train your memory with three exercises.
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From using technology to building it
Learn coding with blocks, plus the basics of AI.
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School Math Curriculum
Unit quizzes on place value, adding and subtracting, times tables and division, fractions and word problems, with a result for each skill.
Start trainingLength, mass and capacity: reading a ruler, a scale and a measuring jug, converting units, comparing and ordering.
Start trainingAn interactive clock: read the time, drag the hands, match digital and analogue, work out elapsed time and a.m. / p.m.
Start training2D shapes and 3D solids, parallel and perpendicular lines, angles, perimeter and area on a grid, and symmetry.
Start trainingEach badge unlocks when your child reaches a goal. Saved on this device.
In the mental arithmetic program they get much faster with a certified trainer.
The video will play here once it's uploaded to the library or YouTube.
