Slide over
i don’t know why the slide over doesn’t work in my iPad. Does anyone have the same problem?
iPad Pro 12.9-inch, 3rd Gen, Wi-Fi
You may find these overview Apple video guides to be helpful:
After viewing, you’ll be ready for the additional Multitasking Guide:
Use Multitasking on your iPad - Apple Support
The iPad User Guide for iPadOS is also a rich source of information. Here are links to both the downloadable and online versions of the Guide:
iPad User Guide on Apple Books
iPad User Guide - Apple Support
I hope this explanation and additional information is helpful in resolving any difficulties you may be having with Multitasking features of your iPad.