HOW TO INSTALL AND OPEN
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This case is one HTML file that you open in a web browser. Keep the folder together, then open The-Missing-Manuscript.html in Chrome or Edge.


ON A TEACHER COMPUTER (WINDOWS OR MAC)
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1. Unzip the download if it is still a zip file. You should see The-Missing-Manuscript.html in that folder, along with this note and the teacher guide.
2. Leave The-Missing-Manuscript.html inside the folder.
3. Double-click The-Missing-Manuscript.html, or right-click it and choose Open with Google Chrome or Microsoft Edge.
4. Open Teacher-Guide.html in the browser when you want the answer key, and keep that file off student screens.


ON A CHROMEBOOK OR GOOGLE DRIVE
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1. Upload the whole unzipped folder to Google Drive.
2. Open the folder in Drive, then open The-Missing-Manuscript.html with Google Chrome.
3. If Chrome downloads the file instead of showing the case, right-click The-Missing-Manuscript.html, choose Open with, and pick Google Chrome.
4. You can also copy the folder onto the Chromebook and open The-Missing-Manuscript.html from Files.


STUDENT COPIES
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Saved work stays in the browser on that device, so give each student or pair a copy of the whole folder. If twenty students open the same shared file, they will save over one another's work. Copy the folder into each student's Drive, or copy it onto each Chromebook before class.


IF THE PAGE LOOKS EMPTY OR BROKEN
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Open The-Missing-Manuscript.html itself in Chrome or Edge. A preview pane in a file list can show a blank page, because that pane blocks the script the case needs. Download the file again if the folder arrived without The-Missing-Manuscript.html.


SMART BOARD
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On the classroom computer, open The-Missing-Manuscript.html, then use the browser's full screen so the case fills the board. Students still need their own copies if you want each of them to keep a case file.
