This article explains how to link to another slide from within a Google Slides presentation. Instructions for both the desktop website and the mobile app are included.

Since Slides is a web app and each slide has a unique URL, to link to one, you just have to click it in the left pane and copy the URL directly from the address bar.

You’ll be taken back to your Google chat session. Click the blue right-pointing arrow to the right of the chat box; a panel ...