Week+3

=Welcome to Week 3!=

Lesson: Lattice Multiplication
There are often many ways to do things. We generally multiply in an up and down fashion, like this: But there are many other ways to multiply. Watch this series of videos from Khan Academy to learn a method of multiplication from the 12th century called the Lattice Method.

You might even prefer it!

Once you've watched the videos, complete this practice sheet from Worksheet Works to make sure you understand. Be sure to ask your teacher if you have questions.