“Learning Lattice Multiplication” is an easy to follow instructional manual with master printables for students. Lattice is an alternative method for multi digit multiplication. Students from grade 3 through high school will enjoy and quickly master lattice, and be able to perform challenging multiplication problems.
This classroom tested product created by a National Board Certified Teacher with over 20 years classroom experience is very popular with students because it gives them confidence to handle multi digit multiplication problems with more accuracy than the "traditional method".
CCSS.Math.Content.5.NBT.B.5 (alternative to the traditional algorithm)