Air Mattress

Act 1

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

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.

Inflated dimensions: 78 in. x 60 in. x 18 in. (198.12 cm x 152.4 cm x 45.72 cm)

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.

Standards

Common Core

• G-GMD.3 - Use volume formulas for cylinders, pyramids, cones, and spheres to solve problems.

TEKS

• G.11(D) - 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