8.G.B. Understand and apply the Pythagorean Theorem.

• Applying the Pythagorean Theorem in a mathematical context
• A rectangle in the coordinate plane
• Bird and Dog Race
• Is this a rectangle?
• Sizing up Squares

8.G.B.6. Explain a proof of the Pythagorean Theorem and its converse.

• Converse of 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.

• Area of a Trapezoid
• Areas of Geometric Shapes with the Same Perimeter
• Circle Sandwich
• Glasses
• Points from Directions
• Running on the Football Field
• Spiderbox
• Two Triangles' Area

8.G.B.8. Apply the Pythagorean Theorem to find the distance between two points in a coordinate system.

• Finding isosceles triangles
• Finding the distance between points