Hello karatespacetiger,
Welcome to Apple Support Communities!
We'd like to provide some steps to help find the Home Screen that is lost.
Touch anywhere on your Home Screen where there is no app.
Keep holding until you see the apps jiggling.
After seeing them jiggle you should then see the dots above the dock now.
Once you press on the dots it will bring up all of your Home Screens.
All of them or some of them will have checkmarks under the icon.
If you see one that does not have a checkmark check to see if that is the missing Home page. If it is then tap the circle to add a checkmark to it.
Tap on Done at top right and your missing Home Screen page should now be available.
If you're not seeing the Home Screen at all that is lost, it could have been accidentally deleted.
Let us know if you have any questions.
Thank you for using Apple Support Communities.
Take care!