I can measure liquid volumes and masses of objects using grams (g), kilograms (kg), and liters (l).I can estimate liquid volumes and masses of objects using grams (g), kilograms (kg), and liters (l).I can add to solve one-step word problems involving masses or volumes that are given in the same units.I can subtract to solve one-step word problems involving masses or volumes that are given in the same units.I can multiply to solve one-step word problems involving masses or volumes that are given in the same units.I can divide to solve one-step word problems involving masses or volumes that are given in the same units.