Physical Materials:

• Graph paper 
• Colored pencils
• Base-10 Blocks
• Interlocking Cubes

Digital Materials:

• Math Activity 2 – Division of Decimals Interactive Slide Deck
• Math Activity 2 – Division with Decimals Google Doc
• Virtual Manipulatives

Instructions:

1. Watch the introduction video below.

2. Read Cases 29 and 30. Then work on Parts 1 and 2 of this math activity.
3. Watch the Synthesis video below to unpack the question: “Why do we move the decimal point anyway?”

(Optional) Extended Synthesis

In this clip, Mike and Kaneka take a deeper look into what’s happening when dividing with decimals.