Quiz your family at home with crosswords, puzzles and games.200 taxing brain teasers and riddles, demanding lateral thinking skills to solve. Ingenious challenges - some just a paragraph long, others with an accompanying diagram. You will need mathematical or logical reasoning to solve these.These teasers are for puzzlers of all abilities, no formal knowledge is required, just application and imagination.Some demand a logical approach, others a good mathematical mind; an agility with words will solve a handful more, but all demand a logical approach and lots of lateral thinking.Answers are given at the back of the book.Now get your thinking cap on!

What is a better fit: a square peg in a round hole, or a round peg in a square hole?Your music player seems to be playing the same songs over again. Is there something wrong with the shuffle feature, or might the songs be playing randomly?You have 100 dimes, and I have 99 pennies. At the same time, we will toss our coins in the air and let them fall on the floor. Then we meticulously count the outcomes of our tosses. You win if you show more heads than I do. What's the probability that you will win?The YouTube channel and blog Mind Your Decisions has blog posts and original videos about math that have been viewed millions of times. The problems in this book are based on some of the best puzzles in counting, geometry, and probability and game theory.

WOULD BLETCHLEY PARK--THE TOP-SECRET HOME OF BRITISH WORLD WAR II CODEBREAKERS--HAVE RECRUITED YOU? PUT YOUR MENTAL AGILITY TO THE TEST WITH THESE FIENDISHLY CHALLENGING PUZZLES AND FIND OUT. Have a knack for mastering Morse code? Want to discover whether your crossword hobby might have seen you recruited into the history books? Think you could have contributed to the effort to crack the Nazis' infamous Enigma code? Then this book about Bletchley Park was custom-made for you. When scouring the population for codebreakers, Bletchley Park recruiters left no stone unturned. They devised various ingenious mind-twisters to assess the puzzle-solving capacity of these individuals--hidden codes, cryptic crosswords, secret languages, and complex riddles. These puzzles, together with the fascinating recruitment stories that surround them, are contained in this book, endorsed by Bletchley Park itself. Though they had diverse backgrounds, the codebreakers of Bletchley Park were united in their love of a good puzzle. If you are of the same persuasion, put your intelligence to the test with the mind-boggling puzzles on these pages and ask yourself: Would Bletchley Park have recruited YOU?

What a bargain! At more than 700 puzzle-packed pages, this huge, value-priced collection should keep any solver happy...and busy for a very long time. It contains brain-busting challenges of almost every type: math logic problems for the numerically inclined; absolutely amazing lateral thinking conundrums; really great critical thinking bafflers; and mind-boggling word puzzles. Here's just a small sample of what's inside: The 22nd and 24th presidents of the United States had the same mother and the same father, but were not brothers. How could this be so? Stumped? That's because it's one man--Grover Cleveland--who was reelected after skipping a term. And that's just an easy warm-up!

Huge collection of tantalizing logic puzzles offers hints when you're stuck, plus step-by-step solutions, imaginatively teaching problem-solving skills. "Will challenge and delight."--Mathematics Teacher. "Fun for puzzle fans of all ages."--Booklist. 256 pages, b/w illus. throughout, 5 3/8 x 7 3/4.

Brain Stretching Math Riddles This book is the second in a series of riddles books. It is a collection of 150 brain teasing math riddles and puzzles. Their purpose is to make children think and stretch the mind. They are designed to test logic, lateral thinking as well as memory and to engage the brain in seeing patterns and connections between different things and circumstances. They are laid out in three chapters which get more difficult as you go through the book, in the author's opinion at least. The answers are at the back of the book if all else fails. These are more difficult riddles and are designed to be attempted by children from 10 years onwards, as well as participation from the rest of the family.

Bringing the Brain Teasers Sudoku, which will help you exercise your mind and stimulate your brain power. This superb collection of books in three volumes brings the best of Sudoku puzzles, which surely are going to engage you for hours. The puzzles are designed for both amateurs and experts alike.

Brain teasers and puzzles designed especially for teens! They'll love the puzzles. You'll love that puzzles improve their brain and thinking processes! Perfect for kids ages 13-17 with a great variety of teen themed puzzles. (Funny yearbook quotes, high school logic puzzles, school jokes and more!) Contains: Brain Teasers (lateral thinking) Word Searches (help with spelling and vocabulary) Mazes (critical thinking) Fun Quizzes (Adulting skills, Are you competitive?) Find the Difference Logic Puzzle Hidden Pictures Cryptograms Fallen Jokes Rebus Puzzles Whether on a road trip or relaxing at home teens will be entertained and challenged!

Stump your friends and family with this fun, challenging math puzzle book! Who knew that math could be so cool? Crammed with games, puzzles, and trivia, The Everything Kids’ Math Puzzles Book puts the fun back into playing with numbers! If you have any fear of math—or are just tired of sitting in a classroom—The Everything Kids’ Math Puzzles Book provides hours of entertainment. You’ll get so caught up in the activities, you won’t even know you’re learning! Inside, you’ll be able to: -Decode hidden messages using Roman numerals -Connect the dots using simple addition and subtraction -Learn to create magic number squares -Use division to answer musical riddles -Match the profession to numerical license plates