## Air Mattress

## Act 1

1. How long will it take to air up the mattress?

2. Write down a guess.

2. Write down a guess.

## act 2

3. What information would be useful to figure this out?

4. Write down some questions you have in your head right now.

4. Write down some questions you have in your head right now.

## act 3

## Sequel

5. What would happen if the mattress was half as tall?

6. What would happen if the pump speed was half as fast?

7. Design a mattress that would take half as long to fill.

6. What would happen if the pump speed was half as fast?

7. Design a mattress that would take half as long to fill.

## Common Core StandardsG-GMD.3
Use volume formulas for cylinders, pyramids, cones, and spheres to solve problems. |
## TEKSGeo.11D
apply the formulas for the volume of three-dimensional figures, including prisms, pyramids, cones, cylinders, spheres, and composite figures, to solve problems using appropriate units of measure |

**Credits: Coleman, Andrew Stadel, Dr. Clayton Edwards**