Ms. Coombs employs Pat’s idea of using a
graph without scales to help students focus
on the important aspects of what it means to
add functions. In this clip, she works with
an individual student as he graphs the sum
of two functions.
After students have completed their
worksheet, Ms. Coombs guides a discussion of
finding the sum of the two functions using
an unmarked ruler to estimate magnitudes.
Day 4 - Clip 2
After students have completed their worksheet,
Ms. Coombs guides a discussion of finding the
sum of the two functions using an unmarked ruler
to estimate magnitudes.
