This is a focus lesson used for 2nd grade. The strand is Number sense, concepts and operations. This covers benchmark MA.A. 3.1.1. This is a hands on 10 minute per day (Mon-Thurs.) lesson that teaches the Florida Sunshine State Standard MA.A.3.1.1. It covers math vocabulary, Doubles and Doubles Plus One, Count Back to Subtract, and How to write a number sentence.