Hi Deborah,
There is only one way, which is a slight workaround: Edit the page, then drag and drop your files onto it (max of 5 at a time, I believe) or use the Insert files and images tool.
Make sure the "Notify watchers" checkbox (on the bottom bar, next to the Preview button) is switched off and then click Save. This way anyone watching the page won't get a notification.
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