Venn Diagrams and Logic
http://illuminations.nctm.org/LessonDetail.aspx?ID=L384
A lesson plan for Grades 9–12 Geometry and Integrated Mathematics 3
About this resource
- Appropriate grades
- 9–12
- Provider
- National Council of Teachers of Mathematics
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This Illuminations lesson focuses on using Venn diagrams to explore three types of deductive reasoning: direct, indirect, and transitive reasoning. Students work in groups to complete activity sheets and then construct arguments based on Venn diagrams and create Venn diagrams for a particular argument. Experience with Venn diagrams is recommended. A reference sheet is included to summarize the three types of reasoning being studied.
North Carolina Curriculum Alignment
Mathematics (2004)
Grades 9–12 — Geometry
- Goal 2: Geometry and Measurement - The learner will use geometric and algebraic properties of figures to solve problems and write proofs.
- Objective 2.01: Use logic and deductive reasoning to draw conclusions and solve problems.
Grades 9–12 — Integrated Mathematics 3
- Goal 2: Geometry and Measurement - The learner will use properties of geometric figures to solve problems.
- Objective 2.01: Use logic and deductive reasoning to draw conclusions and solve problems.
