11th Grade Introduction To Technical Drawing Lesson Plan Example

Topic: Introduction to Technical Drawing

Objectives & Outcomes

  • To understand the basic principles of technical drawing and the methods used to create technical drawings.
  • To be able to create simple technical drawings using lines, geometric shapes, and dimensioning.


  • Pencils (regular and #2 lead)
  • Erasers
  • Paper (regular weight, 8.5" x 11")
  • Technical drawing template (optional)


  • Have students look around the classroom and identify objects that have clearly defined edges, corners, and surfaces. Have them name these surfaces, edges, and corners.
  • Next, have students look around the classroom and identify objects that have complex shapes. Have them name these shapes.

Direct Instruction

  • Introduce the concept of technical drawing as a way of communicating information about the shape and size of objects.
  • Demonstrate how to use a ruler to draw straight lines and how to use a triangle to draw right angles.
  • Demonstrate how to use a protractor to draw angles.
  • Explain how to use a T-square to ensure accurate alignment of lines and geometric shapes.
  • Introduce the concept of dimensioning, explaining how to use units of measurement to describe the size of an object.

Guided Practice

  • Have students work in pairs to practice using the tools and techniques introduced to correctly draw a geometric shape, such as a square or a circle.
  • Have students apply what they have learned to correctly dimension a geometric shape, such as a square or a circle.

Independent Practice

  • Ask students to choose a geometric shape to draw on their own, and then have them label and dimension the shape correctly.
  • Encourage students to ask for help if they are struggling with any part of the process.


  • Review the key points of the lesson, including the names of the different geometric shapes and how to properly label and dimension them.
  • Ask students to share their completed drawings with the class, and discuss any challenges they faced and how they were able to overcome them.


  • Observe students during the guided practice activity to ensure they are accurately completing the drawings and accurately labeling and dimensioning the geometric shapes.
  • Collect and review the completed drawings from the guided practice activity to assess student understanding of the key concepts learned in the lesson.

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