Lattice Multiplication
Draw a table with the number of digits to be multiplied and write the numbers on the top and right.
Draw diagonal lines in each cell from the top right down to the bottom left.
Multiply the number on the top of the box to the number on the right of the box.
Add the numbers on the same diagonal path. Carry over to the next column if necessary.
Combine the digits from top to bottom then from left to right.
Try it yourself!
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