Grace although the glass is not broken the LCD screen below defiantly is you can by a replacement on amazon or ebay for between 30-50 dollars
https://www.amazon.com/Acer-Chromebook-Cb3-111-Replacement-Substitute/dp/B00SUHQUA4/ref=sr_1_3?ie=UTF8&qid=1547074249&sr=8-3&keywords=Acer+Chromebook+CB3-111-C8UB+screen
This video shows how to do it
https://www.youtube.com/watch?v=3TpVCQ--hvs
Hope this helps