Reflection: Developing a Conceptual Understanding Unit Cubes and Volume - Section 2: How many cubes will it take to fill up the box?


As I walked around, I saw many students working to figure out how many blocks they would need to fill the bottom (here and here).  Next, I saw most students using the unit blocks to figure out how many layers it would take to fill the box up to the top.  When I asked one group how many blocks it would take to fill the box, they told me the amount of blocks for only one layer.  I then told the group that that amount would fill part of the box, but part of the box would still be empty.  I explained again that they need to fill the box completely up to the top.  A minute later, they were able to tell me the correct amount of blocks.  Being able to work with the blocks and boxes helped students visualize finding volume as filling a box with layers and help students connect to the volume formulas including,  Volume= Area of the base times the height.

  Developing a Conceptual Understanding: Working with Unit Cubes
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Unit Cubes and Volume

Unit 8: Geometry
Lesson 12 of 19

Objective: SWBAT: • Define volume. • Use a unit cube to find the volume of rectangular prisms and cubes. • Use a formula to find the volume of rectangular prisms and cubes.

Big Idea: What is volume? How many unit cubes would it take to fill this box? Students work to develop formulas for finding the area of rectangular prisms and cubes.

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6 teachers like this lesson
Math, Geometry, volume, 6th grade, master teacher project, unit cubes
  50 minutes
unit 7 11 image
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