或多或少/More or Less

作者简介：
Stuart J. Murphy is a visual learning specialist. A graduate of the Rhode Island School of Design, he has a strong background in design and art direction. He also has extensive experience in the world of educational publishing. Drawing on all these talents, Stuart J. Murphy brings a unique perspective to the MathStart series. In MathStart books, pictures do more than tell stories; they teach math.
　　Stuart J. Murphy and his wife, Nancy, live in Boston. 

　　Is your age more than 5?
　　Is it less than 10?
　　Eddie's got to guess. And he doesn't want to be wrong!
　　Eddie has a booth at the school fair, guessing people's ages. He hasn't guessed wrong yet, but if he does, he gets dunked. Can Eddie keep guessing right -- and keep from getting wet?
　　Comparing whole numbers and understanding what's more and what's less are a big part of Eddie's strategy, and an important math skill for young readers to learn.