IM 6.1.12 What is Surface Area?

Open Up Resources Illustrative Mathematics Grade 6 Unit 1 Lesson 12: What is Surface Area? Available for FREE at: https://im.openupresources.org/6/students/1/12.html#introduction Allow students to record their thinking. Use Classroom Communication Tools to guide class discussion. See Teacher's Guide for additional notes and support, available for FREE at: https://im.openupresources.org/6/teachers/1/12.html#1-12-lesson-plan Special thanks to Nathan Kraft for graph of the prism with draggable dimensions!

By Cindy Whitehead