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Classification
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Public offering
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Services
Public offering
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Products
Agentic access
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Published agent capabilities
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Coverage
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Service areas
For people, developers and AI
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This page presents the current public Directory profile. Registry verification, business ownership, crawler evidence and agent capabilities remain separate signals rather than being collapsed into one vague “verified” badge.
Structured public business summary
The Problem Site - Educational Games and Resources
Problem Solving and Educational Games - solve problems, brainteasers and puzzles, and play educational games at The Problem Site
Global
Categories
- Other Businesses & Services (primary)
Public contacts
- Public phone: 142857 142857
- facebook: https://www.facebook.com/TheProblemSite
- youtube: https://www.youtube.com/@douglastwitchell
Declared AI capabilities
- Online booking — Detected from public website navigation or discovery metadata.
- Online support — Detected from public website navigation or discovery metadata.
Directory status
Registry verification: Not Registry Verified
Directory score: 80
Public source evidence
- The Problem Site - Educational Games and Resources
- More about the Monty Hall Problem - Ask Professor Puzzler
- Mathematicians are Lazy: Lesson Plans
- Lesson Plans, Classroom Activities, Slide Shows, Worksheets
- Virtual Classroom, Games, Reference Units and Puzzles
- Assumptions about Diagrams: Lesson Plans
- Extraneous Solutions - Ask Professor Puzzler
- Derivatives of Products and Quotients: Lesson Plans