Building block towers provides a natural opportunity to measure height. In this scene, children use string and a broom handle to indirectly compare heights of two towers.
Why is this important?
In a playful way, the teacher is building the skills of justification and proof by asking, “Which tower is taller?” At this stage, though, the desire to build the “biggest” one can override the mathematical evidence!
Common Core Alignment
Measurement and Data More