STEM Careers Coalition: Manual Maintenance
How many days of your life will you spend washing your hands?

Refresh your understanding of personal water consumption by diving into the subject of handwashing in people’s day-to-day lives.

Fermi problems require you to make a quick estimate of a quantity
that seems difficult or impossible to determine precisely. They
were named after Enrico Fermi, the Italian physicist who used this
problem solving method to predict how atoms would work long
before scientists had the technology to actually see atoms. Fermi
problems emphasize the process of solving problems over getting
the exact answer.

Grades: K-8
20–30 minutes

Math Topics
Estimating & Rounding, Multiplication & Division
K-6, Middle School
Kindergarten, 1st Grade, 2nd Grade, 3rd Grade, 4th Grade, 5th Grade, 6th Grade, 7th Grade, 8th Grade
Descriptions of PDFs

Manual Maintenance Hands – on Challenge

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