This Number Systems Worksheet is great for adding and subtracting Octal (Base 8) numbers. Ranges for Octal (Base 8) Problems 1 - 63 (1 - 77) 63 - 127 (77 - 177) 127 - 255 (177 - 377) 255 - 511 (377 - 777) Types of Problems Addition Only Subtraction Only Both Language for the Number Systems Worksheet English German Albanian Spanish Swedish Italian French Turkish Polish Norwegian Memo Line for the Number Systems Worksheet You may enter a message or special instruction that will appear on the bottom left corner of the Number Systems Worksheet. Number Systems Worksheet Answer Page Include Number Systems Worksheet Answer Page Now you are ready to create your Number Systems Worksheet by pressing the Create Button. If You Experience Display Problems with Your Math Worksheet Click here for More Number Systems Worksheets