Code.org
Code.org provides several options for device free/unplugged coding activities. This is a create way to reinforce the critical thinking and problem solving needed to complete coding activities. This list is extensive, so we have suggested a couple of our favorites:
Check out Code.org' s full unplugged curriculum here.
Kodable
Kodable also provides options for unplugged coding lessons. These are hands-on, problem-solving activities for students. This list provides worksheet options as well as problem-solving lessons. They are organized by grade level so it is easy to find a grade level appropriate option.