diff --git a/starter-code/src/functions-and-arrays.js b/starter-code/src/functions-and-arrays.js
index 1a445962b..feb30d92f 100644
--- a/starter-code/src/functions-and-arrays.js
+++ b/starter-code/src/functions-and-arrays.js
@@ -27,6 +27,10 @@ findLongestWord(words);
 
 const numbers = [6, 12, 1, 18, 13, 16, 2, 1, 8, 10];
 
+numbers.reduce(function (a, b) {
+    return a + b;
+});
+
 // Iteration #4: Calculate the average
 // Level 1: Array of numbers
 const numbersAvg = [2, 6, 9, 10, 7, 4, 1, 9];