The inspectors on your iPad are there but disguised - the 4 icons on the upper right are Styles (brush) - that allows you to modify attributes of a selected object such as color, font, position, etc., it is contextual so will vary depending on the object selected; Insertion ("+") - this allow you to insert shapes, tables, charts and media (images and movies located in the Photos library); Tools (wrench) - this menu allow access to transition & builds, sharing and printing, a find feature, your presenter notes, some advance settings, and MOST IMPORTANT OF ALL - the HELP File where you can learn how to use your Keynote application.
The Help file and the Getting Started presentation are the best way to learn how your Keynote works.
Good Luck,