No Chromebook and No Backpack!?!?! What ever shall we do? To supplement the other cool content area activities you are working on her are some “unplugged” off-line Activities for Computer Science and Coding to engage your students. These include printable sheets and hands on activities.
https://code.org/curriculum/unplugged.
https://www.kodable.com/learn/unplugged-coding-activities
https://www.csunplugged.org/en
https://teachyourkidscode.com/coding-unplugged
https://www.codewizardshq.com/7-free-printable-coding-activities-for-kids
https://www.kodable.com/resources/k-worksheets
