Download free, printable Yahtzee score sheets at PrintablePaper.net, YahtzeeManifesto.com and Tidyform.com, as of 2015. All three websites have links to download PDF files of the printable score.
Download Yahtzee score sheets from PrintablePaper.net by clicking Yahtzee Score Sheet on the home page and clicking Download For Free.
Download score sheets at YahtzeeManifesto.com by clicking Print Yahtzee Scorecards under the Yahtzee Scorecards heading on the home page. By clicking the picture of the scorecard, a printable version is displayed.
Download score sheets on Tidyform.com by clicking the Yahtzee Score Sheets link near the middle of the home page. Clicking View Details will display a printable score sheet.