If you are looking for an open ended researched based Measurement Unit then this one just might be for you. My Measuring Up measurement unit covers standard measurement graphic organizers covering length, weight, capacity, time, and temperature. I use this unit with my third graders as a research guide to compliment measuring activities. Students can work in partners or small groups to research and explore how measuring works. At the end of each organizer we discuss them as a whole group and students review their individual measuring organizers and discuss any misunderstandings. This activity has always been a big hit in my class due to the open ended structure it was designed with. Enjoy! Please let me know if you have any questions.