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How many of these brain busters can you solve? The post 25 Printable Brain Teasers You Can Print for Free appeared first on Reader's Digest.
7) 9 + 9 + 9 = 25 + 2 8) 9 + 9 + 9 -2 = 25 + 2 -2 (adding -2 to both sides of the equation to cancel the +2 on the right side, which means the bellhop returned the tip or gave a discount of $2) 9) 9 + 9 + 9 - 2 = 25 10) 27 - 2 = 25 11) 25 = 25. The puzzle should subtract the bellhop's tip from the $27 rather than add it.
Brain benefits: Just like normal math, these visual math puzzles test your critical thinking and reasoning skills—as well as your math abilities! Play Now 11.
Exercise your brain and sharpen your mind (the fun way!) with these 13 types of brain training games. The post Best Brain Training Games: Riddles, Brain Teasers, Puzzles, and More appeared first ...
A simple KenKen puzzle, with answers filled in as large numbers. KenKen and KenDoku are trademarked names for a style of arithmetic and logic puzzle invented in 2004 by Japanese math teacher Tetsuya Miyamoto, [1] who intended the puzzles to be an instruction-free method of training the brain. [2]
This puzzle is called "Multi Tasker". The Math edition (Science edition in Japan) deals with numbers and math puzzles. [5] The new puzzles included in this edition are Sum Totaled, By the Numbers, and Multi Tasker. [8] The Brain Age Check includes High Number, Speed Counting, Serial Subtraction, Math Recall, and Number Memory. [9]