-
my.hrw.com
How to log on to the online math textbook:1. Enter your username as: gcms(student ID#).Ex) gcms0123452. Enter your password as: (student ID #).Ex) 012345 -
castlelearning.com
How to log on to castlelearning...1. Enter your username as: gcms-(1st 3 letters of your first name and 1st 6 letters of your last name).Ex) gcms-karnardon2. If this is your first time visiting the website, hit enter when prompted for a password.3. You will be directed to a page to establish a password.