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Kitchen Table Classroom. It's always fun to learn new ways to multiply. Lattice multiplication was a method used a long time ago. Try it!1 Draw diagonals on graph paper or draw your own lattice.2 Write one of the numbers to be multiplied above the lattice, each digit above a square.3 Write the other number vertically, along the right-hand edge of the lattice, again placing each digit next to a square.(See an example on the right, where we will be multiplying 378 times 43). 4 Multiply the digits, placing the products within the grid.(In the top right box of our example, 8 times 4 equals 32, so we put the 3 above the diagonal and the 2 below the diagonal). 5 Now, add the partial products from right to left, along the diagonals.(4=4, 2+2+1=5, and so on.)6 Read the product down the left-hand edge and across the bottom of the lattice.(The product is 16 254!)7 Try another one! 