This is aligned with the following California State Standards:
Communicate understanding of separateness by recognizing objects that are not joined together. Recognize enclosure as an enclosed space that lies within a boundary that distinguishes it from the space that lies outside the boundary.
Communicate understanding that volume is the space enclosed by a three-dimensional shape or an object. Communicate understanding that a unit cube is a cube with edge lengths of 1 unit and a volume of 1 cubic unit.
Communicate understanding that the volume of a solid figure can be determined by filling the figure with unit cubes and that the volume can be calculated by counting the number of unit cubes.
Calculate the volume of a rectangular prism by packing a box with unit cubes and counting them.
Solve word problems involving the volume of a rectangular prism by determining the volume of the prism. (The volume of a rectangular prism should be determined by packing the prism with unit cubes.)