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Brain Fans

BrainFans is a website which provides fun brain teasers, brain puzzles, logic riddles, number & maths puzzles, kids riddles with answers. Our brain teasers focus on kids as well as adults. Moreover, you can also create your own fun brain teasers! Use your creativity and logical thinking, publish nice brain teasers, logic puzzles or kids riddles with answers, share them with your friends and earn points.

Math Playground

Colleen King created Math Playground in 2002 for students in my classes who needed a fun way to practice math facts. Since then, Math Playground has grown to include a wide variety of math topics, from problem solving and mathematical art to real world math and thinking games.

KenKen Math Puzzles

KENKEN was developed in 2004 by the Japanese mathematics instructor Tetsuya Miyamoto. His goal was to improve his students’ math and logic skills. Most importantly, he wanted the puzzle to encourage independent thinking, emphasizing trial and error, concentration, and perseverance. Simply put, the game is a grid-based numerical puzzle that uses the basic math operations - addition, subtraction, multiplication, and division - while also challenging your logic and problem-solving skills.

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