Math Riddles: Brain Teasers

What connects these numbers? Which clue changes everything?

Math Riddles brings you 100 puzzles that invite you to look beyond the obvious. Study the numbers and pictures, spot the hidden rule, and work out the answer. Sometimes a simple calculation helps; sometimes you need a completely different way of looking at the problem.

Stuck? Each puzzle has three levels of hints to guide your thinking. After solving it, open the explanation to see how the pieces fit together.

• 100 math and logic puzzles to explore
• Number patterns and visual clues
• Three levels of hints for every puzzle
• Explanations to help you understand the solution

Enjoy the moment when a puzzling pattern finally makes sense. Try a riddle during a short break, or spend a little longer on one that keeps you guessing.

Ready to find the rule hiding in plain sight?