Question: I'm looking for a math education platform that provides collaborative exercises and personalized instruction for my students.

If you're looking for a more complete math education service with peer-to-peer exercises and adaptive tutoring, Mathspace is worth a look. The online service is designed to cover curriculum requirements and uses adaptive learning technology to offer immediate feedback. It also lets students work in groups with collaborative textbooks and investigations, so it's a good option for students and teachers.

Another contender is Eduten, which marries Finnish education expertise with gamification and AI. The service has more than 200,000 exercises and has been used by more than a million students in more than 50 countries. Eduten offers AI-based learning analytics and automated assessments so teachers can monitor student progress and offer personalized learning, and it's been shown to improve learning outcomes by a factor of two.

Carnegie Learning offers a range of K-12 products, too, including CLEAR Math, which uses AI and interactive tools to personalize instruction and offer immediate feedback. Carnegie Learning's technology is designed to be flexible and engaging, with features like peer-to-peer activities and professional learning programs, so it's a good option for schools looking for a versatile tool to improve student outcomes.

If you're looking for a free, nonprofit option, Khan Academy is a broad online learning service that covers math from Pre-K to college. It offers personalized learning, so students can progress at their own pace and teachers can adjust their teaching accordingly. Khan Academy is highly regarded by teachers, and it's a useful tool for students and teachers.