What is Get More Math?

From their website:
Get More Math is an online math practice program for concept mastery and retention. GMM works on any device with Chrome or Safari browsers with an Internet connection.

GMM is tailored for individualized, cumulative practice for each student. It blends new material with ongoing cumulative review based on their progress and understanding of math concepts taught by their teacher. Students stay engaged through progress recognition, leaderboards, and can earn game credits for completing 10 new problems correct the FIRST time. 

The website address is www.getmoremath.com.