Powell Building
Standard:
Measurement and Data
Measure and estimate lengths in standards units:
Measure and determine how much longer one object is than another, expressing the length difference in terms of a standards length unit.

Problem: Using your feet as your measuring tool, about how much longer is the bottom step than the top step at the courtyard staircase in front of the Powell building?

Probing Questions:
Using your feet to measure, how long is the bottom step?
Using your feet to measure, how long is the top step?