March is National Reading Month. You could Celebrate National Reading Month with BreakoutEDU. Let me know if you are interested in doing one of these with your class. I have an account.
Kasey Bell of Shake Up Learning has a great article, Google Accessibility Tools to Reach ALL Learners. Check it for Chrome Keyboard Shortcuts, Using High Contrast Colors, Text to Speech, Speech to Text (dictation), and more.