Curated OER
The Strongest Shape
Students work collaboratively to design and construct a roof out of Legos for a house that was built in a previous lesson. The roof must be structurally sound and pass certain criteria determined by the teacher.
Illustrative Mathematics
Illustrative Mathematics: Which Weighs More? Which Weighs Less?
Learners will use a block to compare with other objects to decide which is heavier/lighter. They will fill in a chart by drawing a picture of it under "Heavier" or "Lighter" depending which applies.