diff --git a/src/adagrams.js b/src/adagrams.js
index 7ec5afc7..726e9a94 100644
--- a/src/adagrams.js
+++ b/src/adagrams.js
@@ -1,15 +1,163 @@
+"use strict";
+const letterPool = {
+  A: 9,
+  B: 2,
+  C: 2,
+  D: 4,
+  E: 12,
+  F: 2,
+  G: 3,
+  H: 2,
+  I: 9,
+  J: 1,
+  K: 1,
+  L: 4,
+  M: 2,
+  N: 6,
+  O: 8,
+  P: 2,
+  Q: 1,
+  R: 6,
+  S: 4,
+  T: 6,
+  U: 4,
+  V: 2,
+  W: 2,
+  X: 1,
+  Y: 2,
+  Z: 1,
+};
+const letterValue = {
+  A: 1,
+  B: 3,
+  C: 3,
+  D: 2,
+  E: 1,
+  F: 4,
+  G: 2,
+  H: 4,
+  I: 1,
+  J: 8,
+  K: 5,
+  L: 1,
+  M: 3,
+  N: 1,
+  O: 1,
+  P: 2,
+  Q: 10,
+  R: 1,
+  S: 1,
+  T: 1,
+  U: 1,
+  V: 4,
+  W: 4,
+  X: 8,
+  Y: 4,
+  Z: 10,
+};
+const alpha = [
+  "A",
+  "B",
+  "C",
+  "D",
+  "E",
+  "F",
+  "G",
+  "H",
+  "I",
+  "J",
+  "K",
+  "L",
+  "M",
+  "N",
+  "O",
+  "P",
+  "Q",
+  "R",
+  "S",
+  "T",
+  "U",
+  "V",
+  "W",
+  "X",
+  "Y",
+  "Z",
+];
+
 export const drawLetters = () => {
-  // Implement this method for wave 1
+  const letters = [];
+  let letter_pool_copy = { ...letterPool };
+  let keys = Object.keys(letter_pool_copy);
+  while (letters.length < 10) {
+    let letter = keys[Math.floor(Math.random() * keys.length)];
+
+    if (letter_pool_copy[letter] > 0) {
+      letters.push(letter);
+      letter_pool_copy[letter] -= 1;
+    }
+  }
+  return letters;
 };
 
 export const usesAvailableLetters = (input, lettersInHand) => {
-  // Implement this method for wave 2
+  let lettersInHandCopy = [...lettersInHand];
+  const wordArray = input.split("");
+  for (let i = 0; i < wordArray.length; i++) {
+    let letter = wordArray[i];
+    if (lettersInHandCopy.includes(letter)) {
+      // lettersInHandCopy.filter((item) => item !== letter);
+      lettersInHandCopy.splice(lettersInHandCopy.indexOf(letter), 1);
+    } else {
+      return false;
+    }
+  }
+  return true;
 };
 
 export const scoreWord = (word) => {
-  // Implement this method for wave 3
+  let score = 0;
+  const strOfChars = word.toUpperCase();
+  const strOfCharsArray = strOfChars.split("");
+
+  for (let i = 0; i < strOfChars.length; i++) {
+    let letter = strOfCharsArray[i];
+    if (alpha.includes(letter)) {
+      score += letterValue[letter];
+    }
+  }
+  if (strOfChars.length > 6 && strOfChars.length < 11) {
+    score += 8;
+  }
+  return score;
 };
 
 export const highestScoreFrom = (words) => {
-  // Implement this method for wave 4
+  let highest = {
+    word: "",
+    score: 0,
+  };
+  for (let i = 0; i < words.length; i++) {
+    let score = scoreWord(words[i]);
+    if (score > highest.score) {
+      highest = {
+        word: words[i],
+        score: score,
+      };
+    } else if (score === highest.score) {
+      if (highest.word.length === 10) {
+        highest = highest;
+      } else if (words[i].length === 10) {
+        highest = {
+          word: words[i],
+          score: score,
+        };
+      } else if (words[i].length < highest.word.length) {
+        highest = {
+          word: words[i],
+          score: score,
+        };
+      }
+    }
+  }
+  return highest;
 };
diff --git a/test/adagrams.test.js b/test/adagrams.test.js
index 1a0dc94e..4e8b9e8f 100644
--- a/test/adagrams.test.js
+++ b/test/adagrams.test.js
@@ -120,7 +120,7 @@ describe("Adagrams", () => {
     });
 
     it("returns a score of 0 if given an empty input", () => {
-      throw "Complete test";
+      expectScores(0);
     });
 
     it("adds an extra 8 points if word is 7 or more characters long", () => {
@@ -133,7 +133,7 @@ describe("Adagrams", () => {
     });
   });
 
-  describe.skip("highestScoreFrom", () => {
+  describe("highestScoreFrom", () => {
     it("returns a hash that contains the word and score of best word in an array", () => {
       const words = ["X", "XX", "XXX", "XXXX"];
       const correct = { word: "XXXX", score: scoreWord("XXXX") };
@@ -145,7 +145,7 @@ describe("Adagrams", () => {
       const words = ["XXX", "XXXX", "X", "XX"];
       const correct = { word: "XXXX", score: scoreWord("XXXX") };
 
-      throw "Complete test by adding an assertion";
+      expect(highestScoreFrom(words)).toEqual(correct);
     });
 
     describe("in case of tied score", () => {