Rigorous, engaging, spiraling first grade morning work. In Math, this product addresses Common Core Standards 1. O.A.,1. N.B.T, I.M.D. and 1.G. For the language arts Common Core ELA Standards, this month’s morning work addresses 1R. F. S. 1, 1R. F. S. 3, 1R. F. S. 4 and 1 W.