Double 5-Groups

This Fluency Activity is a part of the Lesson 14, Unit 3, Grade K. Conduct the activity as described in Lesson 10, but now continue to 20 (2 ten, or 10 and 10). In this lesson, students work to describe and compare measurable attributes. This work is based on an original work of Great Minds and licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License.