For beginners, you only need 5 common joseki. Star Joseki is basic Joseki for 15k-25k players. There are four star common joseki that all beginners should remember. See below.
There are four Joseki that's on the 3-4 points. These are for 5K to 2D to remember.
Step One: Solve Go Problem (Beginner Class)
Step Two: Learn how did we get the shape.
All problems come from Joseki. Look at the Joseki below and try to act it out again on the right.
Step Three: Practice the problem in real game situation
(;CA[Windows-1252]AB[ob][ca][bb][dc][ec][dd][de][kc][oc][pc][pd][qe][qf][rf][oe][nd]AW[qd][re][qb][nc][mc][ld][kd][jd][hd][da][ea][eb][fc][gb][ed][qc][pb]LB[rd:A][sd:B]AP[MultiGo:4.3.0]SZAB[db]MULTIGOGM (;W[rd];B[oa];W[pa];B[lb];W[mb];B[ma]N[A is no good]))