2026-2027 Season · Grades K–5
The Mark Twain
Math Challenge
A year-long problem-solving adventure. Solve challenges, submit answers, watch your standing rise.
1
Solve
Grab the current challenge PDF and work through the problems at home.
2
Submit
Enter answers online with a parent's email and get instant feedback.
3
Climb
Every submission boosts your score. Top 3 per grade win prizes.
Standings
Season 2026-2027Score = correct answers × a consistency bonus for completing more challenges (up to 1.9×). Nine or more submissions earn a certificate.
No submissions yet for Grade 3. Be the first!
Private by design
Every student appears under an anonymous handle. Real names and emails never appear on this site.