Use the five-finger check to choose an appropriately challenging chapter book, and explain what a chapter is.
This year you move into real chapter books. A chapter is one numbered section of a longer book, like a mini-story that adds up to the whole big story.
To pick a just-right book, try the five-finger check: read one page and put up a finger for each hard word. Zero or one finger means the book is too easy. Two or three fingers means it is just right. Four or five fingers means it is too hard for now.
Mastery looks like: They use the five-finger check to choose an appropriately challenging chapter book and can explain what a chapter is.
Common stumbles: Choosing a book based only on its cover or a friend's choice, without trying the five-finger check.