This CCSS aligned metric measurement packet includes 20 practice sheets to teach/reinforce choosing appropriate metric units, estimating best measurements, and converting units. These sheets can be used to introduce a concept, review a concept, or send home as reinforcement for homework. An answer key is provided.- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -This resource can be used along with our other 4.MD.