diff --git a/source/main.ptx b/source/main.ptx
index 71d4b9f..66d2ff0 100644
--- a/source/main.ptx
+++ b/source/main.ptx
@@ -22,9 +22,8 @@
     <chapter xml:id="recitations">
       <title>Recitations</title>
 
-      <!-- Include recitation files --> <!--
-      <xi:include href="./recitation/recitation01.ptx"/>
-      -->
+      <xi:include href="./recitations/calculus-review.ptx"/>
+     
     </chapter>
   </book>
 </pretext>
\ No newline at end of file
diff --git a/source/recitations/calculus-review.ptx b/source/recitations/calculus-review.ptx
new file mode 100644
index 0000000..f3e0ff0
--- /dev/null
+++ b/source/recitations/calculus-review.ptx
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<!-- When creating a new activity, make a copy of this file with appropriate name -->
+<worksheet xml:id="recitation-calculus-review">
+  <title>Calculus Review</title>
+
+  <!-- Optional introduction -->
+  <introduction>
+    <p>
+      In Calculus I, you learned about derivatives, antiderivatives, and definite integrals.
+      All of these will make an appearance in the context of probability density functions, cumulative distribution functions, and probability calculations in continuous sample spaces, so it will be useful to refresh your memory and practice some calculations.
+    </p>
+  </introduction>
+  <!-- Exercises start here. -->
+  <exercise workspace="2in">
+    <statement>
+      <p>
+        The Power Rule for derivatives states:
+        <md number="yes">
+          <mrow> \frac{d}{dx}\left( x^n \right) = </mrow>
+        </md>
+      </p>
+    </statement>
+  </exercise>
+</worksheet>
\ No newline at end of file