Updated 1/2020: The formatting of these cards has been updated, 4 new problems were added and a student answer sheet is included. These scientific Notation Task Cards are designed for classroom use in pairs, small groups, or by individuals. They require students to convert both ways between standard and scientific notation. They come with QR codes embedded to allow students to use personal devices, if you wish, to check their answers. The cards are suitable for laminating for many years of use.