Read Write Think Lesson Plans - There are many technology and internet related lesson plans here. Use the search box to locate appropriate plans for your class.
REMC Association of Michigan - This link will take you to the getting started page. You will find many technology lessons here for grades K - 5. This is from the Regional Educational Media Center Association of Michigan
Tutorial on Computer Basics - This is a tutorial for those who know nothing about computers, cell phones, tablets or the Internet. From LearnFree.org. Note that LearnFree has other technology tutorials such as one for Windows.
EdTech - Technology with a focus on K - 12 education. This site may be useful in these times of online education.
Open Educational Resources - These are freely available resources from all over the world. This Crestive Commons site tells you about these resources and tells you how to get started. Note the PDF which tells you about them, and the getting started section at the bottom which has links to k-12 lesson plans.