A quick end-of-class check. Two tickets print on each page; cut along the dashed line. The answer key prints on its own page after it.

Exit Ticket: The Pythagorean Theorem

Grade 8 · CCSS 8.G.B.6, 8.G.B.7

Name

1. Find c.

c =

2. A 10 ft ladder leans on a wall with its base 6 ft out. How high does it reach?

3. Is a triangle with sides 7, 24 and 25 a right triangle? Show how you know.

Yes / No

Answer Key: Exit Ticket

The Pythagorean Theorem

20² + 15² = 400 + 225 = 625, √625 → c = 25
6² + h² = 10², h² = 100 − 36 = 64 → 8 ft
7² + 24² = 49 + 576 = 625 = 25² → Yes (the converse of the Pythagorean theorem).

Quick read: a student who gets #1 but misses #2 is probably adding instead of subtracting when a leg is missing. Send them to World 4 of the game.