If the last image gave you some good ideas for the summer, but you'd like some more specific links or activities to do with your child then I have the post for you! Resources to Prevent Summer Slide is an article by Edutopia, a great educational resource on any topic, that will give you links for things like virtual field trips (I had to giggle at the Hershey Chocolate Factory field trip - can you do that without getting the free chocolate at the end??), things your child can build, and reading, writing and math resources.
Don't limit yourself to worksheets or flashcards when it comes to learning in the summer. Asking your child what he or she would like to learn about or letting the kids come up with possible solutions for problems around the house are great ways to keep your child actively learning throughout the summer months!