|Film Appearance?||Not Yet|
|Book Appearance?||Yes (Mentioned only)|
Mrs. Sinclair was Greg's math teacher in his third grade who taught her students rhymes to make it easy for them to remember tables. Whenever Greg faces a difficulty he uses the trick, but it slowed him down in his work. Her trick was to sing this song:
Eight times four is thirty two
Eight times four is thirty-two
And now you know it's true!
(To the tune of "Mary had a Little Lamb")
- Diary of a Wimpy Kid: Cabin Fever (Mentioned only)