Pythagorean Theorem Missing Leg Riddle Activity | Finding Side Lengths
Practice finding missing side lengths with this Pythagorean Theorem Riddle Activity. Students are given the hypotenuse and one leg of a right triangle, then solve for the unknown leg length.
This activity includes 10 missing side length problems. After solving, students use their answers to complete the riddle activity page, giving them a built-in way to check their work as they go.
Use this resource for independent practice, math centers, homework, review, or sub plans. The print-ready format makes it easy to copy and use during your Pythagorean Theorem unit.
What’s Included:
• 10 Pythagorean Theorem problems
• Missing leg practice
• Riddle activity page
• Student worksheet
• Completed teacher answer keys
• Print-ready student pages
Perfect for:
• Pythagorean Theorem practice
• Finding missing side lengths
• Missing leg practice
• Right triangle geometry
• 8th grade geometry
• CCSS 8.G.B.7
• Math centers
• Independent practice
• Homework
• Sub plans
• Review
Solving for a missing leg helps students understand when they need to subtract squared values instead of adding them to find the hypotenuse.
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Terms of Use
This resource is for one teacher only. Additional teachers will need to purchase their own license. You may use this resource with your own students in your classroom or password-protected learning platform.
Please do not share, post, copy, sell, or upload this resource anywhere that others can access it.
If you need additional licenses or have questions, please contact me at learningmaderadical@gmail.com.
© 2026 Kara Holland. All rights reserved.
