If you'd like to make sure that iCloud is set up properly on your iPad (for example, to use Find iPhone option) there are a few steps that should be taken.
1. First of all, go to Settings on your iPad:
2. Once open, please, tap the line with Apple ID, iCloud, iTunes & App Store:
3. If you are asked to sign in, enter your Apple ID and Password:
NOTE: If you don't have one, please create a new Apple ID and then follow the instructions.
4. Once it's done, choose the iCloud option and there you will see check your Storage and Apps using iCloud. There you could turn any of them to ON or OFF: