**da' Vinci Proportion Activity**

Standards:

Ratios & Proportional Relationships: Understand the concept of a ratio and describe a relationship between 2 quantities.

Ratios & Proportional Relationships: Uses ratio and rate reasoning to solve real-world and mathematical problems.

Mathematical Practices: Reasons abstractly and quantitatively.

Mathematical Practices: Attends to precision.

Mathematical Practices: Completes classwork and homework with consistent effort.

Instructions:

1. Choose a Partner. ONE of you needs to have a computer!

2. Create a GoogleDoc. You can both record your measurements in the same GoogleDoc, or you can each make your own. Name the GoogleDoc "(Your Name) Measurements" Use this GoogleDoc to copy & paste the information you need to record.

3. Measure your heights in inches (with shoes off, up against a door, use a book, for accuracy).

4. Measure your arm span.

5. Write down the RATIO of your arm span to your height. Record this on the shared GoogleDoc.

6. Repeat with the other measurements listed on the GDOCS page!

Analysis:

Complete the "Are you Proportional?" worksheet based on your ratios.

Resources: