Arithmetic and Algebra (ElHitti ei al)

Read  Chapter 1.1: Integers, and do as many of the given examples as needed. (23 minutes)

Click https://math.libretexts.org/Bookshelves/Algebra/Book%3A_Arithmetic_and_Algebra_(ElHitti_Bonanome_Carley_Tradler_and_Zhou)/01%3A_Chapters/1.01%3A_Integers link to open resource.