Multiplying Decimals Study Guide & Practice: Traditional and Lattice Method This guide includes 10 pages of guided examples and extra practice in multiplying decimals. There are four study guide sheets, two practice sheets (2 exercises to a sheet), and two pages of blank lattice grids. The study guides cover the traditional and Lattice Method algorithms. It is perfect for use in fourth, fifth, or sixth grade classrooms. You can use the guide as a supplement to your math program and a review f