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http://illuminations.nctm.org/LessonDetail.aspx?ID=L612
A lesson plan for grades 6–7 Mathematics
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Using three dimensional figures they have constructed, students determine when two isometric drawings can represent the same shape and explain their reasoning. Students will also determine what possible shapes might have the same isometric drawing and explain their reasoning.
Students will:
- Construct three dimensional figures.
- Determine when two isometric drawings can represent the same shape.
- Determine what possible shapes might have the same isometric drawing.
- Explain their reasoning.
North Carolina Curriculum Alignment
Mathematics (2004)
Grade 6
- Goal 3: Geometry -The learner will understand and use properties and relationships of geometric figures in the coordinate plane.
- Objective 3.03: Transform figures in the coordinate plane and describe the transformation.
- Objective 3.04: Solve problems involving geometric figures in the coordinate plane.
Grade 7
- Goal 3: Geometry - The learner will understand and use properties and relationships in geometry.
- Objective 3.01: Using three-dimensional figures:
- Identify, describe, and draw from various views (top, side, front, corner).
- Build from various views.
- Describe cross-sectional views.
- Objective 3.02: Identify, define, and describe similar and congruent polygons with respect to angle measures, length of sides, and proportionality of sides.
- Objective 3.03: Use scaling and proportional reasoning to solve problems related to similar and congruent polygons.
- Objective 3.01: Using three-dimensional figures:
