diff --git a/ch09-writing-your-own-methods/ch9_improvedAskMethod.rb b/ch09-writing-your-own-methods/ch9_improvedAskMethod.rb
new file mode 100644
index 000000000..290581dd1
--- /dev/null
+++ b/ch09-writing-your-own-methods/ch9_improvedAskMethod.rb
@@ -0,0 +1,17 @@
+def ask question
+	while true
+		puts question
+		reply = gets.chomp.downcase
+
+		if (reply == "yes" || reply == "no")
+			if reply == "yes"
+				return true
+			else
+				return false
+			end
+			break
+		else
+			puts "Please answer 'yes' or 'no'."
+		end
+	end
+end
\ No newline at end of file
diff --git a/ch09-writing-your-own-methods/ch9_modern_roman_numerals.rb b/ch09-writing-your-own-methods/ch9_modern_roman_numerals.rb
new file mode 100644
index 000000000..f4e7c9a85
--- /dev/null
+++ b/ch09-writing-your-own-methods/ch9_modern_roman_numerals.rb
@@ -0,0 +1,36 @@
+def roman (n)
+
+	thousands = (n / 1000)
+	hundreds = (n % 1000) / 100
+	tens = (n % 100) / 10
+	ones = (n % 10)
+
+	roman = "M" * thousands
+
+	if hundreds == 9
+		roman = roman + "CM"
+	elsif hundreds == 4
+		roman = roman + "CD"
+	else
+		roman = roman + "D" * (n % 1000 / 500)
+		roman = roman + "C" * (n % 500 / 100)
+	end
+
+	if tens == 9
+		roman = roman + "XC"
+	elsif tens == 4
+		roman = roman + "XL"
+	else
+		roman = roman + "L" * (n % 100 / 50)
+		roman = roman + "X" * (n % 50 / 10)
+	end
+
+	if ones == 9
+		roman = roman + "IX"
+	elsif ones == 4
+		roman = roman + "IV"
+	else
+		roman = roman + "V" * (n % 10 /5)
+		roman = roman + "I" * (n % 5 /1)
+	end
+end
diff --git a/ch09-writing-your-own-methods/ch9_old_school_roman_numerals.rb b/ch09-writing-your-own-methods/ch9_old_school_roman_numerals.rb
new file mode 100644
index 000000000..268347cd0
--- /dev/null
+++ b/ch09-writing-your-own-methods/ch9_old_school_roman_numerals.rb
@@ -0,0 +1,15 @@
+def roman n
+	roman_numeral = ""
+
+	roman_numeral = roman_numeral + "M" * (n / 1000)
+	roman_numeral = roman_numeral + "D" * (n%1000 / 500)
+	roman_numeral = roman_numeral + "C" * (n%500 / 100)
+	roman_numeral = roman_numeral + "L" * (n%100 / 50)
+	roman_numeral = roman_numeral + "X" * (n%50 / 10)
+	roman_numeral = roman_numeral + "V" * (n%10 / 5)
+	roman_numeral = roman_numeral + "I" * (n%5 / 1)
+
+	return roman_numeral
+end
+
+