Website: transum.org
This website appears legitimate based on AI analysis.
Transum.org is a long-standing educational website that offers a wide range of free mathematical activities, puzzles, problems, visual aids, and investigations. It is primarily aimed at helping teachers and students with mathematics, making the subject more engaging and enjoyable. The site has been developed over many years and has a strong reputation in the educational community. It is not a scam and is considered a safe and reputable resource for mathematics education."