©2011 Love of Learning Educational Services, LLC. All rights reserved.

Name______________________ Date_____________Period_____

1. Use string to measure the diameter of your hula hoop.

Cut the string the length you need for 1 diameter. 2. Determine how many pieces of string it takes to go around the outside of the hula hoop. (Your

hula hoop is marked with a piece of tape. Use this as the starting point.)

Answer here_______________ 3. What is the relationship between the diameter and the circumference of a circle? 4. Use what you just discovered to complete the table below. 5. Graph the first 5 ordered pairs from the table above.

Label both axes.

What does a hula hoop have to do

with Math?

Diameter in inches

(d) Process

Circumference in inches

(C)

1

2

3

4

5

d

23

Equation:

x

y

©2011 Love of Learning Educational Services, LLC. All rights reserved.

6. Use string to measure the radius of your hula hoop.

Cut the string the length you need for 1 radius. 7. Determine how many pieces of string it takes to go around the outside of the hula hoop. (Your

hula hoop is marked with a piece of tape. Use this as the starting point.)

Answer here_______________ 8. What is the relationship between the radius and the circumference of a circle? 9. Use what you just discovered to complete the table below. 10. Graph the first 5 ordered pairs from the table above.

Label both axes.

What does a hula hoop have to do

with Math? ---- Continued

Radius in inches

(r) Process

Circumference in inches

(C)

1

2

3

4

5

r

23

Equation:

x

y