Measurement Tools Clip Art: Teach your students about time, length, volume, weight, and mass. Each image is very detailed and designed to look just like their real world counterparts. Create worksheets, tests, and quizzes to teach measuring with a ruler in both centimeters and inches. Design posters for your classroom to illustrate liquid volume and mass. Practice area and perimeter through center activities.WHAT IS CLIP ART?Clip art (or "clipart") are digital images that can be imported into gr