How many classes are there in KooClass Maths? In total, we have 100+ classes, with over 90 hours of educational lessons for kids to be meaningfully engaged with. Related articles How are KooClass Maths classes taught? How can I get KooClass Maths? How long is the duration for each KooClass Maths? Which levels are KooClass Maths suitable for? What is KooClass Maths?