Modeling - Hard Addition
Trixie was 3 years and 4 months at the time that this video was made.
The Problem
Suppose that I have 2 pennies. And suppose that you have 3 more pennies
than I have. How many pennies do you have?
What To Look For In This Video
- Trixie doesn't seem to understand what it means that she has "3 more pennies than I have." She interprets it as meaning that she has 3 pennies - not as 3 additional pennies. She cannot make a model.
Once again, I believe that the only sensible thing for me to do is to show her what I mean by working with her to make the model.