Practice any topic, mix levels, build custom tests, and play math games — all free, no login required.
Pick any topics from any level. Mix fractions with algebra, geometry with statistics — whatever you need. Generate a custom worksheet and print it out in seconds.
Explore topics organized by level — from counting to calculus. Your progress is tracked locally. Jump in anywhere.
Canvas games that make math feel like an adventure. Pick your topics, no sign-up, no downloads — just play.
Pilot a jet through a 3D city and fly through the correct answer gate. Build streaks, unlock faster planes, trigger ZOOOM cinematic laps. 4 difficulty levels — Tiny for ages 4–5, Hard for upper elementary.
▶ Play NowBrowse the skill map and pick any level or topic. Start from basics or jump straight to where you need help.
Our adaptive engine adjusts difficulty based on your performance. Practice exactly what you need most.
Watch your mastery grow with XP, streaks, and spaced repetition. All data lives in your browser — no account needed.
MonsterMoo exposes a free JSON API for generating K-8 math problems, checking answers, and building curriculum-aligned quiz sets. Perfect for tutoring agents, educational apps, and benchmark testing.
GET /api/problem?topic=fractions&grade=4