diff --git a/csharp-fundamentals-methods.Main/Core.cs b/csharp-fundamentals-methods.Main/Core.cs
index a69b542..fc58cbe 100644
--- a/csharp-fundamentals-methods.Main/Core.cs
+++ b/csharp-fundamentals-methods.Main/Core.cs
@@ -27,7 +27,8 @@ logic. See the example below and take some time to break it down and understand
         //TODO: 1. Create a method that accepts a name and returns a greeting      
         public string greet(string name)
         {
-            throw new NotImplementedException();
+            //throw new NotImplementedException();
+            return $"Hello {name}!";
         }
 
         //TODO: 2. Increment a number
@@ -36,7 +37,8 @@ Complete this method so that it increases the number given by 1 and returns the
          */
         public int increment(int number)
         {
-            throw new NotImplementedException();
+            //throw new NotImplementedException();
+            return number = number + 1 ;
         }
 
         //TODO: 3. Construct a friendly greeting
@@ -50,7 +52,8 @@ Complete this method so that it accepts a name as an input and outputs a friendl
          */
         public string happilyGreet(string name)
         {
-            throw new NotImplementedException();
+            return $"Hi, {name} :)";
+            //throw new NotImplementedException();
         }
 
 
@@ -70,7 +73,11 @@ Create a method named constructNumberArray that accepts two whole numbers named
         public int[] constructNumberArray(int lower, int upper)
         {
 
-            int[] resultArray = { };
+            int[] resultArray = new int[upper-lower+1];
+            for (int i = 0; i < resultArray.Length; i++)
+            {
+                resultArray[i] = lower + i;
+            }
 
             return resultArray;
 
@@ -92,7 +99,12 @@ The number of exclamation marks appended must be determined by the number provid
 
         public string shout(string phrase, int number)
         {
-            return $"";
+            phrase = phrase.ToUpper();
+            for (int i = 0; i < number; i++)
+            {
+                phrase = phrase + '!';
+            }
+            return phrase;
         }
 
 
diff --git a/csharp-fundamentals-methods.Main/Extension.cs b/csharp-fundamentals-methods.Main/Extension.cs
index a4461e2..a1727a0 100644
--- a/csharp-fundamentals-methods.Main/Extension.cs
+++ b/csharp-fundamentals-methods.Main/Extension.cs
@@ -17,9 +17,22 @@ public class Extension
         "The cake is still baking!" if there are any remaining minutes left,
         and "The timer finished ages ago!" if the remaining minutes is a negative number
      */
-        public double timerStatus(int v)
+        public string timerStatus(int v)
         {
-            throw new NotImplementedException();
+            if (v > 0)
+            {
+                return "The cake is still baking!";
+            }else if (v < 0)
+            {
+                return "The timer finished ages ago!";
+            } else if (v == 0)
+            {
+                return "The cake is ready!";
+            } else 
+            {
+                return "Error!";
+            }
+            //throw new NotImplementedException();
         }
 
 
@@ -35,7 +48,14 @@ provided and the prep time per ingredient.
 
         public double estimatePrepTime(string[] strings, int v)
         {
-            throw new NotImplementedException();
+            double totalPrepTime = 0;
+
+            if (v == 0) v = 2;
+
+            totalPrepTime = strings.Length * v;
+
+            return totalPrepTime;
+            //throw new NotImplementedException();
         }
 
 
@@ -51,7 +71,16 @@ public double estimatePrepTime(string[] strings, int v)
 
         public double calculateGramsOfSugar(string[] strings, int v)
         {
-            throw new NotImplementedException();
+            double totalGrams = 0;
+
+            if (strings.Contains("sugar"))
+            {
+                totalGrams = v * 100;
+            }
+
+
+            return totalGrams;
+            //throw new NotImplementedException();
         }