The K–12 competitive math platform — battle classmates in live math duels, climb national rankings, and earn your MathCrown. Every grade, every topic, free to start.
⚔️ Live PvP Battles
🏆 National Tournaments
🤖 AI Math Tutor
🎁 Real Prize Rewards
🎓 529 College Savings
📊 Smart Analytics
👨👩👧 Parent Dashboard
🏫 Grades K–12
Already have an account?
50K+
Active Students
2M+
Problems Solved
$120K
Prizes Awarded
92%
Grade Improvement
K–12
All Grade Levels
🎯 How MathCrown Works
Three simple steps to turn math from boring to brilliant
1
🎮
Join Free
Sign up in 60 seconds. Pick your grade level and create your player profile. No credit card needed to start.
2
⚔️
Play & Battle
Answer daily trivia, challenge classmates to live math battles, and practice with your personal AI tutor, Axiom.
3
🏆
Win & Earn
Climb leaderboards, earn MathCoins, win gift cards and tournament prizes — all while mastering real math skills.
🏫 Built for Every Grade Level
Curriculum-aligned content from Kindergarten through 12th Grade, mapped to Khan Academy, SAT/ACT, AP, STAAR, and Common Core standards
🌱
Elementary
Grades K–5
Arithmetic · Fractions · Decimals · Geometry · Number Sense · Measurement
Algebra II · Trigonometry · Pre-Calculus · AP Calculus AB/BC · AP Statistics
💰 Simple, Honest Pricing
Start free forever. Upgrade when ready. No hidden fees. Cancel anytime.
FREE FOREVER
Starter
$0/mo
Perfect for trying MathCrown
✅ Daily trivia (3 questions)
✅ 5 challenges per day
✅ Grade leaderboard
✅ Basic skills tracker
✅ MathCoins earning (capped)
❌ Prize redemption
❌ Tournament entry
❌ AI Tutor Axiom
⭐ MOST POPULAR
Premium
$9.99/mo
For serious math champions
✅ Everything in Free
✅ Unlimited daily challenges
✅ Prize redemption (parent)
✅ Weekly leaderboard prizes
✅ Tournament entry included
✅ Full parent dashboard
✅ Unlimited MathCoins earning
❌ AI Tutor Axiom
14-day free trial · Cancel anytime
👨👩👧 FAMILY
Family
$14.99/mo
Up to 4 children, one plan
✅ Everything in Premium
✅ Up to 4 children
✅ Family leaderboard
✅ Combined parent dashboard
✅ Sibling challenge mode
✅ Priority support
✅ Founding family badge
❌ AI Tutor Axiom
🤖 AI POWERED
Max + AI
$19.99/mo
The ultimate champion plan
✅ Everything in Family
✅ Axiom AI Tutor — unlimited
✅ AI weak spot detection
✅ Personalized study plans
✅ AI practice question sets
✅ 529 College Savings prizes
✅ Early feature access
✅ VIP tournament seeding
🔒 All prizes go to verified parent accounts only. Students never handle money directly. COPPA compliant. No ads targeted at children. No data sold. Cancel anytime — no questions asked.
💬 What Families Are Saying
⭐⭐⭐⭐⭐
"My daughter used to dread math homework. Now she asks to practice before dinner! She won 3 gift cards this month."
— Sarah M., Mom of a 4th grader, Texas
⭐⭐⭐⭐⭐
"My son went from a C to a B+ in Algebra. The AI tutor Axiom explains things better than his teacher — and he actually listens!"
— Marcus T., Dad of an 8th grader, Florida
⭐⭐⭐⭐⭐
"Three kids on one family plan. They literally compete against each other every night. Best $14.99 I've ever spent."
— Jennifer R., Mom of 3, California
🚀
Join the Founding Family List
Be among the first 500 families. Founding members lock in their price forever — even when we raise rates.
No spam. No credit card. Just your spot in line. 🔒
🆓 Free to join🔒 Price locked forever📧 Unsubscribe anytime
Join MathCrown! 🎉
Create your player profile — it's free!
👋 Parents! By signing up, you confirm a parent or guardian has approved this account. A parent account is needed to manage prizes and privacy settings. We comply with COPPA — no data is ever sold.
Parent Account 🛡️
Manage your child's learning, prizes & safety
🆓
Free
Basic access, limited challenges
$9.99
Premium
Unlimited + prize eligibility
$14.99
Family
Up to 4 children
$19.99
Max + AI
AI tutor + all features
🔒 COPPA Compliant. You control all data. Prizes are delivered to your account only. Students never handle money directly. Cancel anytime.
Link a Child Account 👦
Connect your child's MathCrown profile to your parent dashboard
🔒 Privacy Note: This links your child's session data to your parent view. Full persistent linking requires Firebase (coming soon). For now this creates a local profile you can monitor this session.
Welcome Back! 👋
Sign in to return to your dashboard
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MathCrown
Earn Your Crown!
🎮 Play
📚 Learn
🏅 Progress
A
Player
🌱 Level 1 · Beginner
Welcome to MathCrown! 🎉
Complete your first trivia to start earning XP and MathCoins! 🚀
1
LEVEL
🌱 Beginner — Just Getting Started!0 / 500 XP
Answer your first question to earn XP! ⭐
🔗
Parent Link Code — share with your parent
------
🏆
0
Wins This Month
🔥
0
Day Streak
⚡
—
Grade Rank
🪙
0
MathCoins
🚀 Your First Steps — Let's Go!
1️⃣
Complete Daily Trivia
Answer 3 questions → earn your first MathCoins 🪙
2️⃣
Challenge Someone
Pick an opponent → battle 5 math rounds → win XP ⚔️
3️⃣
Ask Axiom Anything
Your AI math coach explains any topic in seconds 🤖
🌐
Daily Trivia
3 fresh questions every day — AI + curated from top sources
0 of 3 completed today
⚔️
Challenge Arena
Battle other students in live 5-round math duels!
+150 XP on win+15 MathCoins
🏅 Top Players This Week
See All →
🤓
Fun Math Fact of the Day!
Loading fun fact...
🌐 Common Room
Daily questions for everyone · AI-generated + curated from top sources · Fresh every 24 hours
📡 SOURCES:🤖 Claude AI📗 Khan Academy📝 SAT/ACT/AP🏫 STAAR/OpenStax📐 Illustrative Math
08
HRS
:
23
MIN
:
41
SEC
🧠
Loading Questions...
Generating fresh questions just for you!
🤖 Claude AI📗 Khan Academy📝 SAT/ACT/AP
🏆 Today's Common Room Leaders
📚 Where Your Questions Come From
Every question is from a verified, curriculum-aligned source
⚔️ Challenge Arena
Battle opponents · Cross-grade challenges · Earn MathCoins + XP
⚔️ How Challenges Work
🟢Green dot = Online Player is active now — challenge sends instantly
⚫Gray dot = Offline Starts a practice battle with AI as opponent
⏱️Speed matters! Answering faster earns a Speed Bonus 🚀
🏆5 rounds per battle Most correct answers wins. Ties go to speed!
⚡
Quick Match
Auto-matched at your tier — 5 rounds
🎯
Direct Challenge
Challenge a specific player by username
🟢 Online Players — Challenge Anyone Live
Connecting...
🌐
Connecting to live server...
📋 Demo Players — Practice Anytime
Same GradeHigher GradeAll Levels
A
You
Gold Tier
0
VS
ROUND 1 of 5
0:30
👑
Jordan K.
Gold Tier
0
📋 Recent Battles
🏆 Tournaments
Compete nationally · Win real prizes funded by sponsors · Grades 1–12
🏆
🔴 REGISTERING NOW📅 April 1, 2026
🥇 National Algebra Championship
Compete against 7th & 8th graders nationwide in a 3-round elimination tournament. Questions drawn from our full hybrid bank (AI + SAT/AP/STAAR). Top 10 win real prizes.
$500
🥇 1st Place Gift Card
$250
🥈 2nd Place
$100
🥉 3rd Place
529
🎓 College Savings Option
👥 1,240 registered🏫 Open to all 7th–8th graders
🎁 How Prize Rewards Work
🪙 MathCoins — Earned daily by everyone, redeemed by parents for gift cards, supplies & 529 contributions
🎁 Weekly Prizes — Top 3 per grade get gift cards every Friday, funded by subscriptions
🏆 Tournament Prizes — Sponsor-funded cash prizes for national events, delivered to parent accounts
🎓 529 College Savings — High school winners can choose college savings contributions instead of gift cards
📅 All Upcoming Tournaments
🤖 AI Math Tutor
Your personal math coach · Available 24/7 · Powered by Claude AI
🤖
Axiom
Your AI Math Coach · Powered by Claude
Speaks your grade level · Explains step-by-step · Never judges mistakes
🤖 Axiom
Hey there! I noticed you missed some fraction problems last week — want me to explain them in a way that actually makes sense? I promise, fractions are way easier than they look! 🎯
💡 Quick Help Topics
🎯 Your Weak Spots (AI Detected)
📝 Practice Mode
Targeted practice · Choose your topic · Build mastery at your own pace
Earn MathCoins by playing! · Parent-managed · Never expires
🪙 How to Earn MathCoins
🎁 Prize Store (Parent Redeems)
📜 Recent Earnings
🌱 Skills Tree
Master topics · Unlock new levels · Track your growth
👤 My Profile
?
Your Name
Sign up free to create your profile
🌱 Beginner
📈 All-Time Stats
🏅 Achievements
👨👩👧 Parent Dashboard
Manage your children's learning, prizes and rewards
P
Parent Account
Plan: Free
🔒 COPPA Compliant👁️ Full Parental Control0 Children Linked
👦👧 Your Children
🎁 Prize Approval Queue
Pending
💜 Teen Wallet — Ages 16-17
Teens aged 16 and 17 can request gift cards directly — but only with your email approval as their parent or guardian.
When your teen requests a prize, you receive an email with an Approve or Deny button. If you approve, the gift card is emailed to your teen within 24 hours.
Under 16: All prizes go to the parent account only — no exceptions. This keeps younger children fully protected and COPPA compliant.
UNDER 13
Parent only 🔒
COPPA protected
AGES 13-15
Parent only 🔒
Parent manages rewards
AGES 16-17
Teen Wallet 💜
Parent email approval
AGE 18+
Direct access ✅
Full autonomy
📊 Weekly Progress Report Preview
When weekly reports are enabled, you will receive an email every Sunday showing each child's activity, improvement areas, and prize balance. Here is a preview of what it looks like:
📧 Sample Weekly Report — Week of March 24
Questions answered: 47 this week
MathCoins earned: 320 coins this week
Challenges won: 8 of 12 — 67% win rate
Weak area detected: Fractions — 45% accuracy
AI Tutor sessions: 3 sessions with Axiom
Current balance: 2,450 MathCoins = $24.50 prize value
📧 Weekly reports will be sent to your registered email.
Coming with Firebase launch.
✅
🎵
Now Playing
Lo-Fi Study Beats
Royalty Free · Pixabay
🔊30%
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MATHCROWN
Privacy Policy
Effective: April 6, 2026 · COPPA Compliant
1. Who We Are
MathCrown operates the platform at mymathcrown.com — a K-12 competitive math learning platform. We are committed to protecting the privacy of all users, especially children under 13.
2. Information We Collect
When you register we collect: first name, last name, grade level, date of birth, email address, and password. We also collect gameplay data (scores, battles, time spent) used solely to improve your learning experience.
Parents/Guardians: email address, password, and child account link code.
3. COPPA — Children Under 13
MathCrown complies fully with the Children's Online Privacy Protection Act (COPPA). For children under 13:
We require verifiable parental consent before collecting personal information.
Parents may review, edit, or delete their child's data at any time by emailing [email protected].
We do not serve behavioral advertising to children under 13.
We never sell, rent, or share children's personal data with third parties for commercial purposes.
Children's accounts are linked to a parent account for oversight and prize redemption.
4. How We Use Your Information
To create and manage your account
To provide personalized math practice and AI tutoring via Axiom
To display leaderboards and track progress
To send account-related emails (password reset, weekly reports)
To process prize redemptions through verified parent accounts
5. Data Storage and Security
Your data is stored securely using Google Firebase (Firestore) with enterprise-grade encryption in transit and at rest. We use Firebase Authentication for secure login and never store plain-text passwords.
6. Third-Party Services
Google Firebase — Authentication and database storage
Anthropic Claude API — Powers the Axiom AI math tutor
Web3Forms — Email capture for the founding family waitlist
7. Your Rights
Access: Request a copy of your personal data
Correction: Update inaccurate information
Deletion: Request account and data deletion within 30 days
Opt-out: Withdraw consent at any time
To exercise any right, email [email protected]. We respond within 5 business days.
By using MathCrown at mymathcrown.com, you agree to these Terms. If you are under 18, your parent or guardian must agree on your behalf. If you do not agree, do not use MathCrown.
2. Eligibility
MathCrown is designed for students in grades K-12 and their parents or guardians. Students under 13 must have a parent or guardian create or approve their account.
3. Account Responsibilities
You are responsible for maintaining the confidentiality of your password.
You must provide accurate information when creating your account.
You may not share your account or create multiple accounts.
Notify us immediately at [email protected] if you suspect unauthorized access.
4. Acceptable Use
You agree NOT to:
Use cheats, bots, or automated tools to gain unfair advantages
Harass, bully, or intimidate other students
Attempt to access other users' accounts or data
Use MathCrown for any commercial purpose without written consent
Reverse-engineer, copy, or redistribute MathCrown's content or code
5. MathCoins and Prizes
MathCoins are virtual rewards with no real monetary value and cannot be exchanged for cash directly.
Prize redemptions are processed through verified parent accounts only.
Prizes obtained through cheating will be forfeited and the account suspended.
MathCrown reserves the right to adjust the prize system at any time.
6. AI Tutor — Axiom
Axiom is powered by Claude (Anthropic) and is intended for educational purposes only. While we strive for accuracy, AI responses may occasionally contain errors. Always verify important concepts with a qualified teacher.
7. Intellectual Property
All MathCrown content — including the name, logo, crown design, question bank, and software — is protected by copyright and trademark law. You may not reproduce or distribute any content without written permission.
8. Subscriptions and Payments
MathCrown offers a free tier and optional paid plans. Refunds are available within 7 days of first purchase. Subscription fees are non-refundable after the 7-day window.
9. Disclaimers
MathCrown is provided as-is. We do not guarantee uninterrupted access or specific educational outcomes. MathCrown is a supplemental learning tool, not a substitute for formal education.
10. Termination
We may suspend accounts that violate these Terms. You may delete your account at any time by emailing [email protected]. Your data is deleted within 30 days.
11. Governing Law
These Terms are governed by the laws of the United States. Any disputes shall be resolved through binding arbitration under American A