In our current Math unit, Prisms and Pyramids, we use many materials and manipulatives to allow us to experiment and form understandings about volume. Here are some of the things we have experienced over the last couple of weeks.
Our first investigation involved finding volume in “cubic units.” We tried to design a box that would hold packages which were various dimensions. We used pop cubes to make the packages to be held.
Next, we moved from cubic units to standard units of measure. Everyone got a net, or pattern, for an unmarked box, and had to first predict, and then confirm how many cubic centimeters the box would contain. This was complicated by the fact that the dimensions were not an exact number of centimeters, so everyone had to compare notes and agree on terms.
Next, we looked at the relative size of different measures of volume. There are a million cubic centimeters in one cubic meter, and the whole class will fit into a cubic meter with plenty of room to spare.
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