National Council of Teachers of Mathematics
Eruptions: Old Faithful Geyser
How long do we have to wait? Given several days of times between eruptions of Old Faithful, learners create a graphical representation for two days. Groups combine their data to determine an appropriate wait time between eruptions.
Curated OER
Old FaithFul Problem
In this algebra worksheet, 9th graders calculate the time that lapses between eruption of old Faithful. They try to time when all three geysers will erupt if one erupts every 94 minutes and lasts from 1.5 - 5 minutes. There is an answer...