Anna Claybourne 
91 Cool Maths Tricks to Make You Gasp! 

This is no ordinary maths book. It’s an incredible compendium of mind-blowing facts; tricks that will amaze friends and family; and fun, interactive activities. Young readers will love… Using maths to create uncrackable codes. Exploring weird numerical patterns. (Did you know that 11111111 x 11111111 = 123456787654321?) Discovering the secrets of mathematical mind-reading. Rediscover subjects such as geometry, statistics, and measurement in a completely new light. Whoever new that maths could be this much fun?With a glossary of key mathematical terms included, this brain-boosting book is perfect for readers aged 8+.