While Jerri was here at JCRV she taught me to purl! Below is my first purled project. You can see the difference between the knit stitches and purl stitches. Together, they create the Stockinette stitch.
Cast on 30 sts
Row 1: K1,P1,K1,P1 place marker (pm) K to last 4 sts, pm, K1,P1,K1,P1
Row 2: P1,K1,P1,K1 P to last 4 sts, P1,K1,P1,K1
Repeat rows 1 & 2 until you run out of yarn or your scarf is as long as you want it..