You're sure to get an "A" on this assignment! Capital letters are useful for readers. They signal the start of a sentence, show important words, and signal proper nouns. 1. Watch the video Capital Letter Lesson for Kids. 2. Click on page two to see an example of the student response. 3. Using Seesaw's or tools, circle all of the capital letters you see in the examples. 4. Click when you have completed the assignment.