diff --git a/README.md b/README.md
index cc6d6902fb..d9982bdaf7 100644
--- a/README.md
+++ b/README.md
@@ -39,11 +39,11 @@ Edit this document to include your answers after each question. Make sure to lea
 Follow these steps to set up and work on your project:
 Make sure you clone the branch that the TK links to: the vnext branch, NOT master!
 
-- [ ] Create a forked copy of this project.
-- [ ] Add TL as collaborator on Github.
-- [ ] Clone your OWN version of Repo (Not Lambda's by mistake!).
-- [ ] Create a new Branch on the clone: git checkout -b `<firstName-lastName>`.
-- [ ] Create a pull request before you start working on the project requirements.  You will continuously push your updates throughout the project.
+- [x] Create a forked copy of this project.
+- [x] Add TL as collaborator on Github.
+- [x] Clone your OWN version of Repo (Not Lambda's by mistake!).
+- [x] Create a new Branch on the clone: git checkout -b `<firstName-lastName>`.
+- [] Create a pull request before you start working on the project requirements.  You will continuously push your updates throughout the project.
 - [ ] You are now ready to build this project with your preferred IDE
 - [ ] Implement the project on your Branch, committing changes regularly.
 - [ ] Push commits: git push origin `<firstName-lastName>`.
diff --git a/challenges/arrays-callbacks.js b/challenges/arrays-callbacks.js
index 472ab3e96d..069e486016 100644
--- a/challenges/arrays-callbacks.js
+++ b/challenges/arrays-callbacks.js
@@ -21,6 +21,10 @@ The zoos want to display both the scientific name and the animal name in front o
 
 */
 const displayNames = [];
+zooAnimals.forEach(function(item){
+  displayNames.push(item.animal_name `Name:${"animal_name"}`);
+  displayNames.push(item.scientific_name `Scientific:${"scientific_name"}`);
+  });
 console.log(displayNames);
 
 /* Request 2: .map()
@@ -30,7 +34,10 @@ The zoos need a list of all their animal's names (animal_name only) converted to
 */
 
 const lowCaseAnimalNames = [];
-console.log(lowCaseAnimalNames);
+zooAnimals.map(function(myArray){  
+  lowCaseAnimalNames.push(myArray.animal_name.toLowerCase());
+});
+console.log(lowCaseAnimalNames); 
 
 /* Request 3: .filter() 
 
@@ -38,6 +45,15 @@ The zoos are concerned about animals with a lower population count. Using filter
 
 */
 const lowPopulationAnimals = [];
+function getPop(item){
+  const result = zooAnimals.filter(function(item){
+    if (
+      population < 5
+    ){
+      result.push.lowPopulationAnimals
+    } 
+  });
+}
 console.log(lowPopulationAnimals);
 
 /* Request 4: .reduce() 
@@ -46,6 +62,9 @@ The zoos need to know their total animal population across the United States. Fi
 
 */
 const populationTotal = 0;
+function totalAnimalPop(item){
+  const result = zooAnimals.reduce(callback, value)
+}
 console.log(populationTotal);
 
 
@@ -57,6 +76,9 @@ console.log(populationTotal);
   * The last parameter accepts a callback
   * The consume function should return the invocation of cb, passing a and b into cb as arguments
 */
+function consume(a, b, cb){
+return cb(a,b);  
+}
 
 
 /* Step 2: Create several functions to callback with consume();
@@ -64,13 +86,19 @@ console.log(populationTotal);
   * Create a function named multiply that returns the product of two numbers 
   * Create a function named greeting that accepts a first and last name and returns "Hello first-name last-name, nice to meet you!"
 */
+function add(num1, num2){
+  const sum = num1 + num2
+  return sum  
+}
 
+function greeting(first, last){
+  return `Hello ${first} ${last}, nice to meet you!`
+}
 
 /* Step 3: Check your work by un-commenting the following calls to consume(): */
-// console.log(consume(2, 2, add)); // 4
-// console.log(consume(10, 16, multiply)); // 160
-// console.log(consume("Mary", "Poppins", greeting)); // Hello Mary Poppins, nice to meet you!
-
+console.log(consume(2, 2, add)); // 4
+console.log(consume(10, 16, multiply)); // 160
+console.log(consume("Mary", "Poppins", greeting)); // Hello Mary Poppins, nice to meet you!
 
 
 
diff --git a/challenges/index.html b/challenges/index.html
index 5772804b7f..0dc5ec27dd 100644
--- a/challenges/index.html
+++ b/challenges/index.html
@@ -7,8 +7,8 @@
 
   <title>Sprint Challenge</title>
 
-  <script src="objects-arrays.js"></script>
-  <script src="functions.js"></script>
+  <script src="arrays-callbacks.js"></script>
+  <script src="closure.js"></script>
   <script src="prototypes.js"></script>
   <script src="classes.js"></script>
 </head>