Maryland College and Career-Ready Standards
MD.MA.3.NF. Number and Operations – Fractions (NF)
3.NF.A. Develop the understanding of fractions as numbers.
3.NF.A.2. Major Standard: Understand a fraction as a number on the number line; represent fractions on a number line diagram.
3.NF.A.2.4. Knowledge of the relationship between the use of a ruler in measurement to the use of a ruler as a number line.
MD.MA.3.MD. Measurement and Data (MD)
3.MD.A. Solve problems involving measurement and estimation of intervals of time, liquid volumes, and masses of objects.
3.MD.A.2. Major Standard: Measure and estimate liquid volumes and masses of objects using standard units of grams (g), kilograms (kg), and liters (l). Add, subtract, multiply, or divide to solve one-step word problems involving masses or volumes that are given in the same units, e.g., by using drawings (such as a beaker with a measurement scale) to represent the problem.
3.MD.A.2.2. Ability to use the tools to measure mass and volume.
3.MD.A.2.3. Ability to explain the differences between mass and volume.