start with the ones that show up on start up and then move to the ones that are in the help menu
they are relevant to the version of maya you're using and you'll have answers to questions you're going to ask in future if you don't do them (like the classic "where is the modelling menu set?")
that's a "Ch" pronounced as a "K"
Computer skills I should have:
Objective C, C#, Java, MEL. Python, C++, XML, JavaScript, XSLT, HTML, SQL, CSS, FXScript, Clips, SOAR, ActionScript, OpenGL, DirectX
Maya, XSI, Photoshop, AfterEffects, Motion, Illustrator, Flash, Swift3D