. Brandon’s response “Let’s join two shoe boxes together. It’s about the same size as the cereal box, just a little bigger” and “Let’s put the toothpaste box here in front,” explains his understanding of: 1) Estimation and prediction 2) Prediction and ordering 3) Estimation and positionality 4) Estimation and ordering
Brandon’s response explains his understanding of estimation and ordering.
So, the correct answer is 4).