Math 8 and Math 8 Challenge cover the same curriculum at the same pace. The daily lessons are exactly the same and the homework is the same. The tests in Math 8 Challenge are more challenging in the sense that they push students to apply the mathematical concepts they have learned in creative, out-of-the-box ways to solve problems. Also, in Math 8 Challenge, the class discussions tend to be deeper and more complex as this is what students are ready for and wanting/needing. In Math 8, our discussions tend to be more straightforward and there is more direct instruction to help the students acquire the material.