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 # IMPORTANT: First week tasks
 
 1. [Click here to complete the Doodle to register to the recitation sessions](https://doodle.com/poll/x3iyh8czww2pcat9)
-2. Follow the [Tools Setup](week1/tools-setup.md) page.
-3. Do the [example assignment](week1/example.md) (not online yet, check back later).
+2. Follow the [Tools Setup](week1/00-tools-setup.md) page.
+3. Do the [example assignment](week1/01-example.md) (not online yet, check back later).
 4. Do the first graded assignment (not online yet, check back later)
 
 ## Grading
diff --git a/week1/tools-setup.md b/week1/00-tools-setup.md
similarity index 100%
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rename to week1/00-tools-setup.md
diff --git a/week1/example.md b/week1/01-example.md
similarity index 100%
rename from week1/example.md
rename to week1/01-example.md