Metric Measurement Worksheets Color Wheels Length, Mass, and VolumeThese metric color matching worksheets encourage students to consider the length, mass, and volume of various objects. The students must decide which unit of measurement is appropriate for each example. This set contains three different worksheets. Answer keys are provided.The units of measurement used in these metric worksheets includes:Length: millimeter, centimeter, meter, kilometerMass: gram, kilogram, metric tonVolume/Capac