Point to words left to right and top to bottom while reading along, and show that a space separates one word from the next.
Books follow rules. Your eyes move from left to right across a line. When you reach the end of a line, you jump back to the left side and down one line.
A gap of space means a new word is starting. One written word matches one spoken word. Point to each word as someone reads it out loud to you.
Mastery looks like: They point to words left to right and top to bottom while following along, and can show where one word ends and the next begins.
Common stumbles: Pointing to pictures instead of words; skipping the return sweep and jumping to a random spot on the next line.