Overview
Discover math puzzles everywhere--in pizzas, mirrors, bicycles, candy, hot dogs--and also ancient pyramids, pirates' treasure, and a witch's cauldron. These 82 tantalizing examples will work your brain cells and stump your friends. Solve this one: if you have six pairs of pink gloves and six pairs of yellow ones in your drawer, how many do you have to take out to make sure you've got a pair?