[June 20, 2018 8:30 AM, ET]
The Big Ideas Math online platforms (demo.bigideasmath.com, bigideasmath.com and mrl.bigideasmath.com) will be undergoing maintenance from July 2nd through July 6th. Intermittent outages will occur throughout the week. To prevent data loss, we recommend that you refrain from using these sites during these days. Thank you for your patience while we update our system.