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Big Ideas:
We use area to find the space that two dimensional objects take up, and we use volume to find the space three dimensional figures occupy.
Volume is a unique attribute of solids that explains how much space an object takes up.
This lesson builds on students' work with finding area and volume. The task encourages student understanding of when it is appropriate to calculate area and when it is appropriate to calculate volume. The lesson explores situations where students need to determine the appropriate mathematical approach. Students are asked to interpret the story problems written by two students and to determine who uses the correct approach to determine volume. The mathematical concepts in this lesson foster student understanding of volume and builds towards their future work with volume and their work with 3-dimensional solids.
Vocabulary:
area, volume