IROC and AROC

Combining Functions (Adding, Subtracting, Multiplying, Dividing)

 

Sucker Rates

This is an activity to look at average rates of change (AROC) and instantaneous rates of change (IROC). Students are asked to get a piece of dental floss, a tootsie pop and a measuring device.

Students then collect data every thirty seconds after being told to suck evenly and with the same enthusiasm each time. They then record the circumference at thirty second time intervals.

Here are some photos of "sucking"