Rigorous, step-by-step problem solving that builds real mastery — not guessing. Thousands of leveled English word problems, every answer fully worked out. For kids everywhere who want to get ahead.
8,792
leveled problems
3
grade levels
100%
worked solutions
🧠
Chinese method
Rigorous reasoning, every step shown
📈
Leveled G2→G4
Practice always matches ability
📝
Full solutions
Learn how, not just the answer
Flagship · the Chinese advantage
Or practice word problems · G2–G4
English-language training built on the rigorous Chinese math method · Problems adapted from GSM8K
Pick a topic to start a session
⚡ Clever Math · Chinese-style shortcuts
Learn the principle, study a worked example, then master it. Get 4 in a row to unlock the next lesson.
1,295 clever-calculation problems · Grades 4–6 · adapted from Chinese primary curricula
🏅 Lesson mastered! Next lesson unlocked.
⚡
The method
Worked example
Your turn — calculate cleverly
🍰 Fraction Lab · see fractions, don't memorize rules