Physical Materials:

• Graph paper
• Colored pencils 
• Interlocking cubes, tiles, blocks, etc. (if you prefer physical tools)

Digital Materials:

• Interactive Slides for Math Activity 2: Additive and Multiplicative Identities
• Math Activity 2 (Google Doc)
• Virtual cubes or other manipulatives: One option can be found here at Polypad

Instructions:

1. Reach Chapter 5 from the Casebook.
2. Work through all the questions and prompts.
3. When you feel ready, select from the videos of other teachers working through the task.  As you listen to these teachers share their thinking about the mathematics, reflect on how your ideas are similar to and different from those of the teachers.

4. Watch the synthesis video below.