We ran into this sale online.
Is that advertisement correct? Do they just want us to believe their math and not question what is really 70% off? Is everything or anything really 70% off?
The activity: Is-anything-really70%off?.pdf
CCSS: 6.RP.3, 6.RP.A, 7.RP.3, 7.RP.A
For members we have an editable Word docx, a PowerPoint presentation of the lesson, and solutions/teacher thoughts.
from Yummy Math http://www.yummymath.com/2016/are-these-really-70-off/