Based on the course's content, structure, and overall value, I would give "Secrets of Mental Math" a rating of 4.5 out of 5 stars.
The course is divided into 12 engaging lectures, each approximately 30 minutes long. Professor Benjamin, a mathematician and magician, takes a gentle and entertaining approach to teaching mental math techniques. The course is structured to cater to learners of all levels, from beginners to those with some mathematical background. TTC Video - Secrets of Mental Math
"Secrets of Mental Math" is an engaging and informative course that provides learners with a solid foundation in mental math techniques. Professor Benjamin's enthusiasm and expertise make the course enjoyable, and the practical applications discussed throughout the lectures help reinforce the concepts. While some lectures feel a bit rushed, and there are limited practice opportunities, the course is still an excellent resource for anyone looking to improve their mental math skills. Based on the course's content, structure, and overall