Knitting / Beginner
Garter Stitch
Knit every row. It lies flat, looks the same on both sides, and makes soft horizontal ridges.
An illustration of the texture, showing 4" of fabric at your gauge. It isn't a photo of real yarn.
Swatch first. These numbers are only right at your gauge, and the starting values above are typical figures rather than yours. Work a 4" swatch, measure it, and enter what you get.