4.MD.1 4th Grade Math - Know and Convert Measurement Units Bundle with Google Practice provides two ways for students to practice and show mastery of their ability to know relative sizes of measurement units within one system of units including km, m, cm; kg, g; lb, oz.; l, ml; hr, min, sec.This bundle provides both my original PowerPoint and the new Google Slide Set products for a low upgrade fee! It includes 40 distinct problems in two sets (129 slides in all!), with and without following answ