What is 4% of 75? Can you calculate 60 + 60 x 0 + 1? Which is bigger, an 18-inch pizza or two 12-inch pizzas? Join award-winning maths presenter Kyle D Evans on an entertaining tour of viral maths problems that have gone wild on social media in recent years. From the infamous 'Hannah's sweets' exam question to percentages 'life-hacks', viral maths problems seem to capture the public's imagination without fail. In Maths Tricks to Blow Your Mind, Kyle presents over 50 viral maths problems with background information, explanations and solutions to similar problems, all in a humorous, accessible and inclusive manner. Want to dazzle and delight your friends and family? This book shows you how!

Did you know that you can measure the height of buildings with your own shadow? Or that when you shuffle a pack of cards, chances are that no other pack of cards has ever been in that order, ever? This highly accessible, dynamic book is packed with fun, unexpected and awesome ideas about maths. It mixes a fresh, modern illustration style with punchy, eye-opening facts and humorous anecdotes about famous mathematicians and their groundbreaking discoveries. Ideal for children aged 8+.

"STEM, Science Technology Engineering Mathematics."

These marvelous, stimulating games for the mind include geometric paradoxes, cube and color arrangement puzzles, calendar paradoxes, much more. Detailed solutions prepare readers for puzzles of even greater complexity.

Solve history's greatest puzzles with this classic collection of brain teasers from The Best Brain Teasers of All Time. The best brain teasers are those that have challenged and captivated the attention of puzzle lovers throughout time. Collected here to keep your wits sharp, The Best Brain Teasers of All Time features the cleverest brain teasers from around the world and throughout history. The Best Brain Teasers of All Time gives you hours of fun-filled entertainment with brain teasers that develop your problem-solving skills in math, logic, and wordplay. Organized as an integrated challenge, these brain teasers build in momentum as they increase in difficulty from classic nursery rhymes to the riddle of the sphinx. The Best Brain Teasers of All Time puts your mind to the test with: 125 Brain Teasers that require no special skills to solve. Plus, each question comes with an optional clue in case you get stumped and a handy answer key in the back to test yourself or play with friends Brain Teasers for Every Level that cater to beginners and advanced masterminds alike, with brain teasers organized by level of difficulty to improve your skills as you move forward Hints of History that provide fun facts and background information for every brain teaser Get ready to sharpen your wit with every "aha" moment. The Best Brain Teasers of All Time is a go-to source for timeless fun and mind-blowing challenges.

The noted expert selects 70 of his favorite "short" puzzles, including such mind-bogglers as The Returning Explorer, The Mutilated Chessboard, Scrambled Box Tops, and dozens more involving logic and basic math. Solutions included.

This best-of compilation features 101 of the most entertaining and challenging math puzzles ever published. No advanced knowledge of mathematics is necessary, just solid thinking and puzzle-solving skills. Includes complete solutions.