diff --git a/3-Data-Visualization/12-visualization-proportions/README.md b/3-Data-Visualization/12-visualization-proportions/README.md
index 07ec971e..69b20be2 100644
--- a/3-Data-Visualization/12-visualization-proportions/README.md
+++ b/3-Data-Visualization/12-visualization-proportions/README.md
@@ -159,17 +159,26 @@ Using a waffle chart, you can plainly see the proportions of cap color of this m
 
 In this lesson you learned three ways to visualize proportions. First, you need to group your data into categories and then decide which is the best way to display the data - pie, donut, or waffle. All are delicious and gratify the user with an instant snapshot of a dataset.
 
-
 ## 🚀 Challenge
 
-
+Try recreating these tasty charts in [Charticulator](https://charticulator.com).
 ## Post-Lecture Quiz
 
 [Post-lecture quiz]()
 
 ## Review & Self Study
 
+Sometimes it's not obvious when to use a pie, donut, or waffle chart. Here are some articles to read on this topic:
+
+https://www.beautiful.ai/blog/battle-of-the-charts-pie-chart-vs-donut-chart
+
+https://medium.com/@hypsypops/pie-chart-vs-donut-chart-showdown-in-the-ring-5d24fd86a9ce
+
+https://www.mit.edu/~mbarker/formula1/f1help/11-ch-c6.htm
+
+https://medium.datadriveninvestor.com/data-visualization-done-the-right-way-with-tableau-waffle-chart-fdf2a19be402
 
+Do some research to find more information on this sticky decision.
 ## Assignment
 
-[Assignment Title](assignment.md)
+[Try it in Excel](assignment.md)
diff --git a/3-Data-Visualization/12-visualization-proportions/assignment.md b/3-Data-Visualization/12-visualization-proportions/assignment.md
index b7af6412..e3ab407c 100644
--- a/3-Data-Visualization/12-visualization-proportions/assignment.md
+++ b/3-Data-Visualization/12-visualization-proportions/assignment.md
@@ -1,8 +1,11 @@
-# Title
+# Try it in Excel
 
 ## Instructions
 
+Did you know you can create donut, pie and waffle charts in Excel? Using a dataset of your choice, create these three charts right in an Excel spreadsheet
+
 ## Rubric
 
-Exemplary | Adequate | Needs Improvement
---- | --- | -- |
+| Exemplary                                               | Adequate                                          | Needs Improvement                                      |
+| ------------------------------------------------------- | ------------------------------------------------- | ------------------------------------------------------ |
+| An Excel spreadsheet is presented with all three charts | An Excel spreadsheet is presented with two charts | An Excel spreadsheet is presented with only one charts |
\ No newline at end of file