T.i.P.S.

  • Lightbulb For this standard, students will need to be able to determine both lateral and total surface area from a shape's net, rather than using a surface area formula. Students should connect the concept of finding the area of composite figures to finding the total surface area.

Example

  • Billy is creating a box to ship his model airplane for a contest. It will ship best in the shape of a triangular prism. How much cardboard will Billy need to make his box in the shape of a triangular prism using the following known measurements?

     
    Rectangle measuring 3 ft 4 ft 5ft and 8 ft  


    Hint

    Possible Solution

Digital Tools

Resources

TEKS

  • Supporting Standard

    7.9 Expressions, equations, and relationships. The student applies mathematical process standards to solve geometric problems. The student is expected to:

    (D) solve problems involving the lateral and total surface area of a rectangular prism, rectangular pyramid, triangular prism, and triangular pyramid by determining the area of the shape's net

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