Get some more practice with Motion Graphs...
Super Ultimate Graphing Challenge
and some additional reading and practice problems
For tutorials, you would want to look at 1-D Kinematics (what we call CVPM and CAPM). Particularly lessons 1, 2 and 3.
For practice problems, check out the Minds on Physics, Start MOPing>Scroll down to Continue>For Practice Mode>Mechanics>Kinematics Graphing, and focus on KG 8, 10 and 11.