Surface Area of a Cuboid
measurement · surface area of rectangular prisms
Figure out the total area of all surfaces or faces of a cuboid and generalize a formula for any cuboid.
Surface Area of a Cuboid is a Grade 6 geometry investigation that asks students to derive a method before being given a formula. Groups examine a rectangular prism, calculate the area of all six faces, and look for an efficient way to generalize the total surface area for any cuboid. The task emphasizes structure by pairing congruent opposite faces.
Use it for small-group exploration when students are ready to connect rectangle area with three-dimensional measurement. Asking groups to present their general method before formalizing the formula makes the derivation part of the learning. Create a free Find a Math Game account to generate teacher-ready lesson support for Surface Area of a Cuboid. No credit card is required, with 3 lifetime lesson generations.
- Grades:
- 6
- Players:
- 3–4 players
- Classroom use:
- small group
Standards alignment
Official Rules
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