Weblog > Mental Math Challenge – 1400 Mental Math Puzzles (Amazon Kindle Edition)
Mental Math Challenge Vol. 1 (1400 Mental Math Puzzles) is a math puzzle book for Amazon’s Kindle reading device.
Challenge your brain with these mental math problems puzzle book. With difficulties from very easy to incredibly tough, anyone can begin to enjoy and improve their math skills. Work out your brain to keep it sharp and in shape while you are on the bus or wait. Happy Puzzling!