Water Filter

3 Act Math

Act 1

1. How long will the filter last?
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.

Cup Diameter
Cup Height
Initial Flush
Water Consumption

Act 3


5. What would happen if the filter had a capacity of 250 gallons?

Common Core Standards
Understand ratio concepts and use ratio reasoning to solve problems.
Know the formulas for the volumes of cones, cylinders, and spheres and use them to solve real-world and mathematical problems.
apply qualitative and quantitative reasoning to solve prediction and comparison of real-world problems involving ratios and rates
solve problems involving the volume of cylinders, cones, and spheres



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