A+ Click Math Olympiad Problems A+ Click Math Olympiad Problems helps middle school students become problem solvers. This e-book features a collection of 100 challenging math problems and includes such topics as brain teasers, spatial thinking, visual reasoning, and probability. Students aged 12 years and up with an itch for math will enjoy it as much as curious adults. The e-book presents the best problems from www.aplusclick.com adapted to the e-book format. The website offers over 2000 problems. Each problem can be solved without using a calculator. The exercises focus on understanding, spatial reasoning, and problem solving rather than math rules and theorems.