A fun activity to get students to review the metric system. Aligned with California common core standard.
3.MD.2 Measure and estimate liquid volumes and masses of objects using standard units of grams (g), kilograms (kg), and liters (l).6 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.74
Students solve word problems and fill in the missing letter that corresponds with the answers. They will figure out the answer to the joke by the end of the worksheet.