Embed the slide show by clicking on File and choosing Publish to the Web
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From the window that appears, select Embed.
Select " Publish"
Embed code will now appear on this window, it starts with "fIframe..." copy that text and use the source button to embed it in courseworks.
If you need help creating a slide show (it's very similar to Powerpoint) please check out the Lynda.com tutorial Google Drive Essential Training -- Chapter 4 has the Google Slides specific section.
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For help signing into Lynda.com please click here.