Lattice multiplication

The lattice (gelosia) method: one small multiplication per box, then add along the diagonals.

About this worksheet

Write one number across the top and the other down the side. Each box holds one digit-by-digit product, with the tens above the diagonal and the ones below. Adding along the diagonals gives the answer.

The answer key shows every box and the digits of the answer at the end of each diagonal.

Printing

US Letter or A4, portrait: choose your paper size above. Print at 100 percent (actual size). Use "Black and white" for the copier, or "Color" for display pages and mini books.

Popular versions

Ready-made settings for common topics.

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