Calculators

Math

Calculator Use

Use lattice multiplication to multiply numbers and find the answer using a lattice grid structure.

Lattice multiplication is also known as Italian multiplication, Gelosia multiplication, sieve multiplication, shabakh, Venetian squares, or the Hindu lattice.[1] It uses a grid with diagonal lines to help the student break up a multiplication problem into smaller steps.

Print Lattice Multiplication Worksheets

Create and print customized lattice worksheets to practice lattice multiplication. Select the size of the lattice you need and click the "Create Worksheet" button. A new page opens for your custom lattice. Print the lattice worksheet using the print function in your browser. Note that ads will not print.

How Many Columns Across?
"Multiplicand"

1 2 3 4 5 6 7 8 9 10

How Many Rows Down?
"Multiplier"

1 2 3 4 5 6 7 8 9 10

 

Example of Lattice Method of Multiplication

Lattice method of multiplication to show 327 × 586 = 191,622

References

[1] Wikipedia contributors. "Lattice Multiplication," Wikipedia, The Free Encyclopedia.

Goodman, Len. "Lattice Method." From MathWorld--A Wolfram Web Resource.