diff --git a/index.js b/index.js
index 8c24934..df7e98a 100644
--- a/index.js
+++ b/index.js
@@ -1,8 +1,9 @@
 const add  = require("./modules/add");
 const subtract = require("./modules/subtract");
 const multiply= require("./modules/multiply");
-const {addTen, addFive} = require("./modules/addNumbers");
-const {subtractOne}= require("./modules/subtractNumbers");
+const divide = require('./modules/divide');
+const {addTen, addFive, addOne} = require("./modules/addNumbers");
+const {subtractOne, subtractFive, subtractTen}= require("./modules/subtractNumbers");
 
 const number1 = 393;
 const number2 = 238;
diff --git a/modules/addNumbers.js b/modules/addNumbers.js
index 6854706..676f065 100644
--- a/modules/addNumbers.js
+++ b/modules/addNumbers.js
@@ -7,3 +7,7 @@ module.exports.addTen =  function(num) {
 module.exports.addFive = function(num) {
   return add(num, 5);
 }
+
+module.exports.addOne = function(num) {
+  return add(num, 1);
+}
\ No newline at end of file
diff --git a/modules/divide.js b/modules/divide.js
new file mode 100644
index 0000000..84ed069
--- /dev/null
+++ b/modules/divide.js
@@ -0,0 +1,6 @@
+
+function divide( num1, num2 ) {
+    return num1 / num2;
+}
+
+module.exports = divide;
\ No newline at end of file
diff --git a/modules/multiply.js b/modules/multiply.js
new file mode 100644
index 0000000..8e6aa0a
--- /dev/null
+++ b/modules/multiply.js
@@ -0,0 +1,6 @@
+
+function multiply( num1, num2 ) {
+    return num1 * num2;
+}
+
+module.exports = multiply;
\ No newline at end of file
diff --git a/modules/subtract.js b/modules/subtract.js
index e69de29..ed06c52 100644
--- a/modules/subtract.js
+++ b/modules/subtract.js
@@ -0,0 +1,6 @@
+
+function subtract( num1, num2 ) {
+    return num1 - num2;
+}
+
+module.exports = subtract;
\ No newline at end of file
diff --git a/modules/subtractNumbers.js b/modules/subtractNumbers.js
new file mode 100644
index 0000000..86d3642
--- /dev/null
+++ b/modules/subtractNumbers.js
@@ -0,0 +1,15 @@
+const subtract = require('./subtract');
+
+function subtractOne(num) {
+    return num - 1;
+}
+
+function subtractFive(num) {
+    return num - 5;
+}
+
+function subtractTen(num) {
+    return num - 10;
+}
+
+module.exports = {subtractOne, subtractFive, subtractTen}
\ No newline at end of file