Lattice Multiplication

Lattice multiplication was introduced to Europe in 1202 in Fibonacci’s Liber Abaci.

It is a method of multiplying large numbers using a grid.

This method breaks the multiplication process into smaller steps, which some students find easier.

Digits to be carried are written within the grid, making them harder to miss.

Watch my video of a simple lattice multiplication.

http://www.pedagonet.com/maths/lattice.htm

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