diff --git a/functions/sum/exercise/script.js b/functions/sum/exercise/script.js
index 69d6b48..5c4b6c3 100644
--- a/functions/sum/exercise/script.js
+++ b/functions/sum/exercise/script.js
@@ -8,23 +8,49 @@
   ES6 Syntax (Arrow function): const add = () => {}
 */
 
-function add(){
-  //Add function here
+
+// function add(a, b){
+//   //Add function here
+//   return a + b
+// }
+
+
+// let result1 = add(6, 7)
+// console.log(result1)
+
+const sum = (a, b) =>{
+return a + b 
 }
+// console.log(sum(10, 50))
+
 
-function sub(){
+function sub(a , b){
   //Subtract function here
+  return a - b
 }
+let result2 = sub(7, 6)
+// console.log(result2)
 
-function div(){
+function div(a,b){
   //Divide function here
+  return(a / b)
 }
+let result3 = div(20 , 2)
+// console.log(result3)
+
+// function mul(a ,b){
+//   //Multiply function here
+//   return(a * b)
+// }
+// let result4 = mul(20 , 2)
+//  console.log(result4)
 
-function mul(){
-  //Multiply function here
-}
 
 console.log('hello from the SUM exercise')
 /* 
   TODO: create a function that console logs the result of any of the above operations.
-*/
\ No newline at end of file
+*/
+
+
+ 
+
diff --git a/functions/sum/solution/script.js b/functions/sum/solution/script.js
index 6a567a7..1593017 100644
--- a/functions/sum/solution/script.js
+++ b/functions/sum/solution/script.js
@@ -1 +1 @@
-console.log("Sum solution"))
\ No newline at end of file
+console.log("Sum solution")
\ No newline at end of file
diff --git a/yourPlayground.js b/yourPlayground.js
index e69de29..9120b06 100644
--- a/yourPlayground.js
+++ b/yourPlayground.js
@@ -0,0 +1,51 @@
+
+// Math Methods
+//Floor ()- Rounds down
+//Ceil() - Rounds up
+//random() - Gives a random number
+
+let number = Math.floor(Math.random() * 4)
+
+console.log(number)
+
+const groceries = ['banana', 'orange', 'cucumber', 'kiwi', 'pear']
+
+groceries.push('cookies')
+groceries.push('chocolate')
+console.log(groceries.indexOf('pear'))
+ console.log(groceries)
+ console.log(groceries[0])
+
+ //array slice
+//start from 0 INCLUSIVE and up to 3 [0,3]
+ console.log(groceries.slice(0, 3))
+//  console.log(groceries.splice(3, 6))
+ console.log(groceries.splice(1, 3))
+
+//  Objects
+
+const personal = {
+    name: 'Lampard',
+    shirt: "black"
+}
+
+console.log(personal.name)
+
+
+
+const introducerMe = (name, shirt) => {
+    const person = {
+    name:  name,
+    shirt: shirt,
+    assets: 5000000,
+    liabilty : 100000,
+    netWorth : function (){
+        return this.assets - this.liabilty
+    }
+}
+ const intro = `Hi, my name is ${person.name} and the color of my shirt is ${person.shirt} and my net worth is $ ${person.netWorth()} USD`
+
+ return intro
+}
+
+console.log(introducerMe('Oyindamola', 'flowery'))
\ No newline at end of file