Sheridan Smith two-part BBC drama "The 7.39". In March 2014, she appeared in the ITV crime drama "The Widower" as the first wife of serial killer Malcolm Webster. Later that year, she featured in the series "Who Do You Think You Are?" and played Cilla Black in the three-part ITV drama series "Cilla". In 2015 she starred as cancer patient Lisa Lynch in the one-off BBC drama "The C Word" and as policewoman Jo Gillespie in the three-part ITV drama "Black Work", which was nominated for a National Television Award in 2016. Smith narrated the reality series "" from 2015. The show
Three-part lesson and grade six math declined between 2009 and 2013, and "some contend that the math curriculum rather than teacher education is to blame for the lower scores because it places more emphasis on real-world concepts and applications than on rote learning". Three-part lesson A three-part lesson is an inquiry-based learning method used to teach mathematics in K–12 schools. The three-part lesson has been attributed to John A. Van de Walle, a mathematician at Virginia Commonwealth University. The purpose is to cognitively prepare students for the math lesson by having them think about a procedure, strategy or concept used in a