1,000+ Proofs Lesson Plans Reviewed by Teachers

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Results: 1,000+ Proofs Lesson Plans

Showing 1 - 10 of 1,000+

From Hypothesis To Conclusion...Reading Maps To Understand Proofs

Students work together to write a geometric proof.

Overall Rating:
Grades:: 10th

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Proof Puzzles

Students practice writing formal two column geometric proofs involving congruent triangles and congruent corresponding parts.

Overall Rating:
Grades:: 9th - 12th

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The Proof Is in the Picture

Students select a geometric figure and find an example of the figure in their surroundings. They photograph the figure and write a proof to accompany it. They match photos to proofs.

Overall Rating:
Grades:: 9th - 12th

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Pythagorean Theorem Proof

Students investigate the Pythagorean Theorem. Then they type up a formal paragraph proof of a proof of their choice.

Overall Rating:
Grades:: 10th

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Algebraic Proofs

Students complete simple algebraic proofs to prepare them for more challenging geometric proofs. Class begins with a demonstration by the teacher, then students work out their own problems and share results with the class.

Overall Rating:
Grades:: 9th - 12th

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Proofs, Part I

Students formalize the idea of a proof. They understand and use the idea of truth. They discuss the question "What does it mean to prove that something is true?" They write geometric proofs, including proofs by contradiction.

Overall Rating:
Grades:: 10th - 12th

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Proof Of Triangles

Students explore different classifications of triangles. Students define geometric terms associated with triangles. Following a step-by-step process, introduced and completed in class, they solve a proof.

Overall Rating:
Grades:: 10th - 12th

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Geometric Proofs

Students review the postulates of algebra that have a significant relationship to geometry. Students complete proofs through the use of geometric properties and principles. This lesson is a continuation of a previous lesson on proofs.

Overall Rating:
Grades:: 10th - 12th

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Uno Proofs

Students explore basic proofs. They discuss and write the rules for the game "Uno," discuss postulates and play the game of Uno to explore direct proofs. Using Uno rules as postulates, students create a two column proof. Students write proofs and exchange them with others to solve them.

Overall Rating:
Grades:: 9th - 11th

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The Truth About Triangles And Proofs

Students engage in a lesson that is about the classification of triangles and the mathematical proofs involved in working with them. They work on a variety of problems that are created by the teacher with the focus upon the importance of classifying the triangles.

Overall Rating:
Grades:: 9th - 12th

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