Thumb Wars Lab Activity

Page 3 of 5

**Online Students**: Read this page, and then continue onto the next page. You do not need to follow the directions given on this page.

Have your partner (if you have one) perform the following measurements on you:

Try to measure (in inches) as accurately as possible. Click HERE to access an online ruler.

Then, click HERE to input your measurements in the class data table. You must input your measurements into the data table.

- your thumb circumference (around the knuckle where your thumb bends) in inches,
- your wrist circumference (around the thinnest part of your wrist) in inches, and
- your thumb length (from the tip of your thumb to the middle of the joint where the thumb meets the hand in inches.

Try to measure (in inches) as accurately as possible. Click HERE to access an online ruler.

Then, click HERE to input your measurements in the class data table. You must input your measurements into the data table.

Each seated student should have one thumb wars match with each other student in the classroom. Make sure you keep count of the number of matches you fight and the number of matches you win. Input the number of matches you win and the number of matches you win / the number of matches you fought into the data table linked above.