The following performance task for 4.MD.A.1 Is excellent for board display. (I took pictures of my kids doing the hands on activities) to accompany their student work. It also includes all the skills the students will need on the nys science test (hands on part) for measurement such as calculating the mass of the water by measuring jars with and without water and subtracting and measuring the volume of water in ml with just water then again with rocks, measuring diameter and measuring to the nearest 1/4 inch and in cm. The task standard and rubric is included. This document consists of 4 printables to complete the activities.