It's a Numbers Game! Hockey: The Math Behind the Perfect Slap Shot, the Split-Second Save, and So Much More!

This numbers-focused look at the fast-paced game of ice hockey from National Geographic Kids is jam-packed with stats, sports trivia, awesome photos, and math challenges—plus a fun activity at the end of every chapter.

Do you know how to calculate a goalie’s save percentage? What’s the record for the most shots in an NHL game? What’s the speed of the fastest slap shot? How much water is needed to make an ice rink?  

Get ready to learn all the ways numbers and math factor into the game of ice hockey, from all the statistics used to measure an individual player’s performance to the record for the most penalty minutes. Read about the greatest players from ice-hockey history and discover fascinating facts, like the number of names engraved on the Stanley Cup. Discover which NHL teams' defenses have allowed the fewest points, and check out cool graphics that show the angles in different pass patterns.  

Filled with favorite players, need-to-know stats, and action-packed photos, this book is a must-have for curious, fact-hungry hockey fans everywhere! 

Are you a math maniac or sports superfan―or both? Check out these other books in the It’s a Numbers Game! series from National Geographic Kids: 

• It’s a Numbers Game! Basketball
• It’s a Numbers Game! Soccer
• It’s a Numbers Game! Baseball
• It's a Numbers Game! Football