Working with PTC Mathcad Prime > Worksheets and Regions > To Copy, Cut, and Paste Regions
  
To Copy, Cut, and Paste Regions
1. In a worksheet, select one or more regions that you want to copy. You can copy plots, images, math regions, and texts regions.
2. On the Math tab, in the Clipboard group, click Copy or Cut.
Alternatively, press Ctrl+C or Ctrl+X to copy or cut the selected regions. The selected regions are copied to the clipboard.
3. To paste the regions, click a blank spot on the same or another worksheet and then on the Math tab, in the Clipboard group, click Paste.
Alternatively, press Ctrl+V.