BAM! MATH! Here, Arthur Benjamin teaches you how to quickly multiply any two or three-digit number by a one-digit number. Once you master this fundamental operation of mental math, your smarts will grow by multiples of 22! Presented by Arthur Benjamin Learn more about math tricks at www.wondrium.com/youtube 0:00 Multiple Simple Two-By-Ones 3:45 Multiply Numbers with a Carry 7:41 Which Method is Best? 9:21 Distributive Law 11:45 Three-By-One Multiplication 14:45 Why Work Left to Right? 22:35 The Factoring Method 24:26 Associative Law of Multiplication 28:10 The Addition and Subtraction Methods ------------------------------------------- The Great Courses is the global leader in lifelong learning and our video-on-demand service The Great Courses Plus gives you unlimited, uninterrupted access to a world of learning anytime and anywhere you want it. With courses on thousands of topics, you are sure to find something that will ignite your curiosity and invigorate your passion for learning. Enjoy a curated sampling of our full catalog of content by subscribing to our YouTube channel. We add new history, science, and math videos every week. ------------------------------------------- Read articles from the smartest experts in their fields: www.Thegreatcoursesdaily.com Find us on all our social channels: -Facebook: www.facebook.com/wondrium -Twitter: twitter.com/wondrium -Instagram: www.instagram.com/wondrium ------------------------------------------- #mentalMath #mathtips #ArthurBenjamin

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