Proof! is a fast-paced, fun math game loved by teachers, families, kids, and grown-ups alike. Perfect for family game nights or as a classroom or homeschool learning game, this educational game improves mental math skills through engaging play. Winner of the Teacher's Choice Gold Award for 2019, Proof! is designed for exceptional quality and outstanding performance both in the classroom and at home. Players practice multiplication, division, addition, subtraction, and square roots, improving their math skills in a fun and interactive way. The game includes 100 number cards chosen for optimal fun, with more easy-to-use lower numbers and some larger and prime numbers excluded. Suitable for 2-6 players aged 9-109, the adaptable rules make it perfect for younger players and solo play too. With gameplay lasting just 15 minutes, Proof! is a game that kids will want to play again and again.