Be sure you are in the "Specialists Class"
Be sure you are using Seesaw Class NOT Seesaw Family
Click on Activities
Scroll down to find the D & I activity you are looking for
You will see the distinctive image and "Welcome to D &I" heading
When your find the activity you are looking for...
Click the green ADD RESPONSE button.
Be sure you have watched the videos and know what to do.
Double check what is required