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Squaring the Triangle InteractiveSquaring the Triangle Interactive
Publisher
Shodor Education Foundation
Resource Details
Curator Rating
Educator Rating
Not yet Rated
Grade
8th - 12th
Subjects
Math
3 more...
Resource Type
Interactives
Audiences
For Teacher Use
1 more...
Duration
15 mins
Instructional Strategies
Collaborative Learning
1 more...
Technology
Internet Access
Usage Permissions
Fine Print: Educational Use
Interactive

Squaring the Triangle

Curated and Reviewed by Lesson Planet
This Squaring the Triangle interactive also includes:
  • Squaring the Triangle Exploration Questions (.pdf)
  • Squaring the Triangle Exploration Questions (.doc)
  • Teacher Reference
  • Student Reference
  • Join to access all included materials

Teach budding mathematicians how to square a triangle with an interactive that shows a graphical proof of the Pythagorean Theorem. Pupils alter the lengths of the legs using sliders. Using the inputted lengths, the applet displays the areas of the squares on each side of the triangle along with the measures of the three angles.

8 Views 7 Downloads
CCSS: Designed

Concepts

pythagorean theorem, right triangles, geometric proofs, proofs, area

Additional Tags

math

Instructional Ideas

  • Research proofs of the Pythagorean Theorem
  • Use paper manipulatives of right triangles and squares to physically show that the sum of the areas of the two small squares is equal to the area of the larger square

Classroom Considerations

  • The class should have a basic understanding of the Pythagorean Theorem
  • This resource is only available on an unencrypted HTTP website.It should be fine for general use, but don’t use it to share any personally identifiable information

Pros

  • Includes links to related resources
  • Displays the figure on a grid, allowing learners to verify the areas by counting

Cons

  • None

Common Core

8.G.B.6 HSG-SRT.B.4

View 52,216 other resources for 8th - 12th Grade Math

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