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Math trick that shows how to perform multiplications using lines. With this method you will perform multiplications without needing to know the multiplication tables. Other videos that also show how to do it: How Japanese and Chinese engineers multiply. Multiplying with lines or stripes Multiplying with lines. Without multiplication tables Multiplying with lines Multiplication method using lines MULTIPLICATION OF TWO NUMBERS BY THE MAYAN METHOD OR BY MEANS OF LINES multiplication with lines reverse division step addition subtraction broken down 10 Mayan Multiplication Learning to Multiply Without a Calculator in Bolivia