PA.2.3. Measurement and Estimation
2.3.6.A. Use models to illustrate the meaning of perimeter, area, and volume.
2.3.6.B. Use appropriate units to measure perimeter, area, and volume; use a protractor to measure angles between 0 and 180 degrees.
2.3.6.C. Use given measurements to calculate a missing length, perimeter, area, and/or volume; Calculate elapsed time across am/pm and across days.