Mathematics is like a game and if you know the equipment and the rules, you can use it for both work and recreation. This illustrated guide features practical and charming methods of studying and practicing math. From addition, subtraction, multiplication, and division to algebra and geometry, the playful approach offers fun-to-solve problems and complete answers. AUTHOR: Author Lillian R. Lieber was head of the Department of Mathematics at Long Island University. In the 1940s, she wrote a series of good-humored, well-respected books about mathematics, including The Education of T. C. MITS (The Celebrated Man in the Street), a special edition of which was circulated among American GIs during World War II. Whimsical drawings by her husband, Hugh Gray Lieber, illustrate Take a Number and many of her other books.