Ohio Resource Center
Content Supports - Technologies
Pythagorean Theorem
Discipline
Mathematics
8
Professional Commentary
Reviewers found a mismatch between the exploratory nature of the Pythagorean Explorer applet and the didactic procedures suggested in the lesson. Most teachers will prefer to use the applet with a more guided discovery approach. Exploration questions and an extension are included. (sw)

Common Core State Standards for Mathematics
Geometry
Understand and apply the Pythagorean Theorem.
8.G.B.7
Apply the Pythagorean Theorem to determine unknown side lengths in right triangles in real-world and mathematical problems in two and three dimensions.
Ohio Mathematics Academic Content Standards (2001)
Geometry and Spatial Sense Standard
Benchmarks (5–7)
G.
Describe and use properties of triangles to solve problems involving angle measures and side lengths of right triangles.
Benchmarks (8–10)
H.
Establish the validity of conjectures about geometric objects, their properties and relationships by counter-example, inductive and deductive reasoning, and critiquing arguments made by others.
3.
Use and demonstrate understanding of the properties of triangles. For example: a. Use Pythagorean Theorem to solve problems involving right triangles. b. Use triangle angle sum relationships to solve problems.