diff --git a/Sprint-3/1-implement-and-rewrite-tests/implement/1-get-angle-type.js b/Sprint-3/1-implement-and-rewrite-tests/implement/1-get-angle-type.js
index ca1dfe7f2..c2ab8dc7d 100644
--- a/Sprint-3/1-implement-and-rewrite-tests/implement/1-get-angle-type.js
+++ b/Sprint-3/1-implement-and-rewrite-tests/implement/1-get-angle-type.js
@@ -10,11 +10,28 @@
 function getAngleType(angle) {
   if (angle === 90) {
     return "Right angle";
+
+  } else if (angle < 90){
+    return "Acute angle";
   }
-   // Run the tests, work out what Case 2 is testing, and implement the required code here.
-   // Then keep going for the other cases, one at a time.
+   else if (angle > 90 && angle <180){
+      return "Obtuse angle";
+  }
+   else if (angle === 180){
+    return "Straight angle";
+  }
+   else if (angle > 180 && angle < 360){
+    return "Reflex angle";
+  }
+  else {
+  throw new Error("Invalid angle");
 }
 
+ }
+  
+   // Run the tests, work out what Case 2 is testing, and implement the required code here.
+   // Then keep going for the other cases, one at a time.}
+
 // The line below allows us to load the getAngleType function into tests in other files.
 // This will be useful in the "rewrite tests with jest" step.
 module.exports = getAngleType;
@@ -50,14 +67,18 @@ assertEquals(acute, "Acute angle");
 // When the angle is greater than 90 degrees and less than 180 degrees,
 // Then the function should return "Obtuse angle"
 const obtuse = getAngleType(120);
-// ====> write your test here, and then add a line to pass the test in the function above
+assertEquals(obtuse, "Obtuse angle");
 
 // Case 4: Identify Straight Angles:
 // When the angle is exactly 180 degrees,
 // Then the function should return "Straight angle"
-// ====> write your test here, and then add a line to pass the test in the function above
+const straightangle = getAngleType(180);
+assertEquals(straightangle, "Straight angle");
 
 // Case 5: Identify Reflex Angles:
 // When the angle is greater than 180 degrees and less than 360 degrees,
 // Then the function should return "Reflex angle"
-// ====> write your test here, and then add a line to pass the test in the function above
\ No newline at end of file
+const reflex = getAngleType(270);
+assertEquals(reflex, "Reflex angle");
+
+// Sprint-3-implement 1-get-angle-type.js all assertions and necessary functions added
\ No newline at end of file
diff --git a/Sprint-3/1-implement-and-rewrite-tests/implement/2-is-proper-fraction.js b/Sprint-3/1-implement-and-rewrite-tests/implement/2-is-proper-fraction.js
index a4739af77..0478752f3 100644
--- a/Sprint-3/1-implement-and-rewrite-tests/implement/2-is-proper-fraction.js
+++ b/Sprint-3/1-implement-and-rewrite-tests/implement/2-is-proper-fraction.js
@@ -8,11 +8,14 @@
 // write one test at a time, and make it pass, build your solution up methodically
 
 function isProperFraction(numerator, denominator) {
-  if (numerator < denominator) {
-    return true;
+  // Make sure denominator cannot be zero
+  if (denominator === 0) {
+    return false;
   }
-}
 
+  // Check if the absolute value of the numerator is smaller than denominator
+  return Math.abs(numerator) < Math.abs(denominator);
+}
 // The line below allows us to load the isProperFraction function into tests in other files.
 // This will be useful in the "rewrite tests with jest" step.
 module.exports = isProperFraction;
@@ -45,15 +48,38 @@ assertEquals(improperFraction, false);
 // Input: numerator = -4, denominator = 7
 // target output: true
 // Explanation: The fraction -4/7 is a proper fraction because the absolute value of the numerator (4) is less than the denominator (7). The function should return true.
-const negativeFraction = isProperFraction(-4, 7);
-// ====> complete with your assertion
+const negativeFraction = isProperFraction(-4, 3);
+assertEquals(negativeFraction, false);
 
 // Equal Numerator and Denominator check:
 // Input: numerator = 3, denominator = 3
 // target output: false
 // Explanation: The fraction 3/3 is not a proper fraction because the numerator is equal to the denominator. The function should return false.
 const equalFraction = isProperFraction(3, 3);
+assertEquals(equalFraction, false);
 // ====> complete with your assertion
 
 // Stretch:
 // What other scenarios could you test for?
+
+const numeratorZero = isProperFraction(0, 5);
+assertEquals(numeratorZero, true);
+
+const denominatorrZero = isProperFraction(5, 0);
+assertEquals(denominatorrZero, false);
+
+// Expected: true (|-2| < |5|)
+const reviewerCase2 = isProperFraction(-2, 5);
+assertEquals(reviewerCase2, true);
+
+// Expected: false (|-1| = |1|)
+const reviewerCase3 = isProperFraction(-1, 1);
+assertEquals(reviewerCase3, false);
+
+// Expected: true (|-2| < |-3|)
+const reviewerCase4 = isProperFraction(-2, -3);
+assertEquals(reviewerCase4, true);
+
+// Sprint-3-implement 1-is-proper-fraction.js all assertions and necessary functions added
+// Updated the function and has been able to handle possible edge cases.
+
diff --git a/Sprint-3/1-implement-and-rewrite-tests/implement/3-get-card-value.js b/Sprint-3/1-implement-and-rewrite-tests/implement/3-get-card-value.js
index 266525d1b..8171896d7 100644
--- a/Sprint-3/1-implement-and-rewrite-tests/implement/3-get-card-value.js
+++ b/Sprint-3/1-implement-and-rewrite-tests/implement/3-get-card-value.js
@@ -8,9 +8,17 @@
 // write one test at a time, and make it pass, build your solution up methodically
 // just make one change at a time -- don't rush -- programmers are deep and careful thinkers
 function getCardValue(card) {
-  if (rank === "A") {
-    return 11;
-  }
+
+  const rank = card.slice(0, -1);
+  const validRanks = ["A", "K", "Q", "J", "10", "9", "8", "7", "6", "5", "4", "3", "2"];
+
+   if (!validRanks.includes(rank)) {
+    throw new Error("Invalid Card");
+     }
+
+   if (rank === "A") return 11;
+   if (["K", "Q", "J", "10"].includes(rank)) return 10;
+     return Number(rank);
 }
 
 // The line below allows us to load the getCardValue function into tests in other files.
@@ -28,7 +36,9 @@ function assertEquals(actualOutput, targetOutput) {
 }
 // Acceptance criteria:
 
-// Given a card string in the format "A♠" (representing a card in blackjack - the last character will always be an emoji for a suit, and all characters before will be a number 2-10, or one letter of J, Q, K, A),
+// Given a card string in the format "A♠" (representing a card in blackjack 
+// - the last character will always be an emoji for a suit, 
+// and all characters before will be a number 2-10, or one letter of J, Q, K, A),
 // When the function getCardValue is called with this card string as input,
 // Then it should return the numerical card value
 const aceofSpades = getCardValue("A♠");
@@ -38,20 +48,57 @@ assertEquals(aceofSpades, 11);
 // Given a card with a rank between "2" and "9",
 // When the function is called with such a card,
 // Then it should return the numeric value corresponding to the rank (e.g., "5" should return 5).
-const fiveofHearts = getCardValue("5♥");
+const numberCards = getCardValue("5♥");
+assertEquals(numberCards, 5);
 // ====> write your test here, and then add a line to pass the test in the function above
 
+
+
 // Handle Face Cards (J, Q, K):
 // Given a card with a rank of "10," "J," "Q," or "K",
 // When the function is called with such a card,
 // Then it should return the value 10, as these cards are worth 10 points each in blackjack.
 
+const faceCards = getCardValue("J♥");
+assertEquals(faceCards, 10);
+
+const tenOfClubs = getCardValue("10♣");
+assertEquals(tenOfClubs, 10);
+
 // Handle Ace (A):
 // Given a card with a rank of "A",
 // When the function is called with an Ace,
 // Then it should, by default, assume the Ace is worth 11 points, which is a common rule in blackjack.
 
+const aceCards = getCardValue("A♣");
+assertEquals(aceCards, 11);
+
 // Handle Invalid Cards:
 // Given a card with an invalid rank (neither a number nor a recognized face card),
 // When the function is called with such a card,
 // Then it should throw an error indicating "Invalid card rank."
+
+try {
+  getCardValue("Z♣"); // invalid card
+  console.log("Test failed: no error thrown");
+} catch (error) {
+  assertEquals(error.message, "Invalid Card");
+}
+
+try {
+  getCardValue("2.1♥"); // decimal — invalid
+  console.log("Test failed: no error thrown for 2.1♥");
+} catch (error) {
+  assertEquals(error.message, "Invalid Card");
+}
+
+try {
+  getCardValue("0002♦"); // padded number — invalid
+  console.log("Test failed: no error thrown for 0002♦");
+} catch (error) {
+  assertEquals(error.message, "Invalid Card");
+}
+
+// Functions, assertion and invalid rank tested, and modified the if statment
+// to hadnle valid numeric literals such as "2.1", "002" "Functions, assertions, and invalid ranks tested. 
+// Modified the if statement to handle valid numeric literals such as '2.1' and '002'. 
\ No newline at end of file
diff --git a/Sprint-3/1-implement-and-rewrite-tests/rewrite-tests-with-jest/1-get-angle-type.test.js b/Sprint-3/1-implement-and-rewrite-tests/rewrite-tests-with-jest/1-get-angle-type.test.js
index 4a92a3e82..ce2b2cc96 100644
--- a/Sprint-3/1-implement-and-rewrite-tests/rewrite-tests-with-jest/1-get-angle-type.test.js
+++ b/Sprint-3/1-implement-and-rewrite-tests/rewrite-tests-with-jest/1-get-angle-type.test.js
@@ -13,14 +13,39 @@ test("should identify right angle (90°)", () => {
 // When the angle is less than 90 degrees,
 // Then the function should return "Acute angle"
 
+test("should identify acute angles (0 < angle < 90)", () => {
+  expect(getAngleType(10)).toEqual("Acute angle");
+  expect(getAngleType(45)).toEqual("Acute angle");
+  expect(getAngleType(89.999)).toEqual("Acute angle");
+});
+
 // Case 3: Identify Obtuse Angles:
 // When the angle is greater than 90 degrees and less than 180 degrees,
 // Then the function should return "Obtuse angle"
 
+test("should identify obtuse angles (90 < angle < 180)", () => {
+  expect(getAngleType(110)).toEqual("Obtuse angle");
+  expect(getAngleType(145)).toEqual("Obtuse angle");
+  expect(getAngleType(169.99)).toEqual("Obtuse angle");
+});
+
 // Case 4: Identify Straight Angles:
 // When the angle is exactly 180 degrees,
 // Then the function should return "Straight angle"
 
+test("should identify straight angle (180°)", () => {
+  expect(getAngleType(180)).toEqual("Straight angle");
+});
+
 // Case 5: Identify Reflex Angles:
 // When the angle is greater than 180 degrees and less than 360 degrees,
 // Then the function should return "Reflex angle"
+
+test("should identify reflex angles (180 < angle < 360)", () => {
+  expect(getAngleType(180.5)).toEqual("Reflex angle");
+  expect(getAngleType(270)).toEqual("Reflex angle");
+  expect(getAngleType(359.999)).toEqual("Reflex angle");
+});
+
+// Sprint-3 rewrite-tests-with jest 1-get-angle-type-test.js tests conducted 
+// Testing modified to cover broader scenarios that cover all possible cases.
\ No newline at end of file
diff --git a/Sprint-3/1-implement-and-rewrite-tests/rewrite-tests-with-jest/2-is-proper-fraction.test.js b/Sprint-3/1-implement-and-rewrite-tests/rewrite-tests-with-jest/2-is-proper-fraction.test.js
index caf08d15b..a68934763 100644
--- a/Sprint-3/1-implement-and-rewrite-tests/rewrite-tests-with-jest/2-is-proper-fraction.test.js
+++ b/Sprint-3/1-implement-and-rewrite-tests/rewrite-tests-with-jest/2-is-proper-fraction.test.js
@@ -7,7 +7,26 @@ test("should return true for a proper fraction", () => {
 });
 
 // Case 2: Identify Improper Fractions:
+test("should return false for an improper fraction", () => {
+  expect(isProperFraction(5, 3)).toEqual(false);
+});
 
 // Case 3: Identify Negative Fractions:
+test("should return true for a proper fraction with negative numerator", () => {
+  expect(isProperFraction(-2, 3)).toEqual(true);
+});
 
 // Case 4: Identify Equal Numerator and Denominator:
+test("should return false for equal numerator and denominator", () => {
+  expect(isProperFraction(3, 3)).toEqual(false);
+});
+
+test("should return false for a negative improper fraction", () => {
+  expect(isProperFraction(-4, 3)).toEqual(false);
+});
+
+
+// Sprint-3 ewrite-tests-with-jest/2-is-proper-fraction.test.js. rewrote tests in jest 
+// Changed the misleading comment "should return true for a negative fraction"
+// to "should return true for a proper fraction with negative numerator"
+// Modified
\ No newline at end of file
diff --git a/Sprint-3/1-implement-and-rewrite-tests/rewrite-tests-with-jest/3-get-card-value.test.js b/Sprint-3/1-implement-and-rewrite-tests/rewrite-tests-with-jest/3-get-card-value.test.js
index 04418ff72..6518b6774 100644
--- a/Sprint-3/1-implement-and-rewrite-tests/rewrite-tests-with-jest/3-get-card-value.test.js
+++ b/Sprint-3/1-implement-and-rewrite-tests/rewrite-tests-with-jest/3-get-card-value.test.js
@@ -2,12 +2,40 @@
 // We will use the same function, but write tests for it using Jest in this file.
 const getCardValue = require("../implement/3-get-card-value");
 
-test("should return 11 for Ace of Spades", () => {
-  const aceofSpades = getCardValue("A♠");
-  expect(aceofSpades).toEqual(11);
+test("should return 11 for an Ace", () => {
+  expect(getCardValue("A♠")).toEqual(11); 
+  expect(getCardValue("A♥")).toEqual(11);
+ 
 });
 
+
 // Case 2: Handle Number Cards (2-10):
+test("should return number cards for (2-10)", () => {
+  const twoOfSpades = getCardValue("2♠");
+  expect(twoOfSpades).toEqual(2);
+  const sixOfHearts = getCardValue("6♥");
+  expect(sixOfHearts).toEqual(6);
+  const tenOfDiamonds = getCardValue("10♦");
+  expect(tenOfDiamonds).toEqual(10);
+});
+
 // Case 3: Handle Face Cards (J, Q, K):
+test("should return 10 for face cards", () => {
+  const aceofSpades = getCardValue("Q♠");
+  expect(aceofSpades).toEqual(10);
+});
 // Case 4: Handle Ace (A):
+// test("should return 11 for Ace of Spades", () => {
+//   const aceofSpades = getCardValue("A♠");
+//   expect(aceofSpades).toEqual(11);
+// });
 // Case 5: Handle Invalid Cards:
+test("should throw an error for invalid cards", () => {
+  expect(() => getCardValue("Z♠")).toThrow("Invalid Card");
+});
+// Sprint-3 rewrite-tests-with-jest/2-get-card-value.test.js. rewrote tests using jest 
+// Few modifications done.
+// Completed incomplete description and added a test 
+// for multiple values such as boundr values 2 and 10 in line 12-17
+
+// Added  test coverage cases
\ No newline at end of file
diff --git a/Sprint-3/2-practice-tdd/count.test.js b/Sprint-3/2-practice-tdd/count.test.js
index 42baf4b4b..2ff0dccfb 100644
--- a/Sprint-3/2-practice-tdd/count.test.js
+++ b/Sprint-3/2-practice-tdd/count.test.js
@@ -22,3 +22,53 @@ test("should count multiple occurrences of a character", () => {
 // And a character char that does not exist within the case-sensitive str,
 // When the function is called with these inputs,
 // Then it should return 0, indicating that no occurrences of the char were found in the case-sensitive str.
+
+test("should return 0 when character does not exist in string", () => {
+  const str = "Code Your Future";
+  const char = "g";
+  const count = countChar(str, char);
+  expect(count).toEqual(0);
+});
+
+// Scenario: Empty string 
+
+test("should return 0 when string is empty", () => {
+  const str = "";
+  const char = "a";
+  const count = countChar(str, char);
+  expect(count).toEqual(0);
+});
+
+// Scenario: String is a space
+
+test("should return 0 when string is space", () => {
+  const str = "   ";
+  const char = "a";
+  const count = countChar(str, char);
+  expect(count).toEqual(0);
+});
+
+// Scenario: String is 
+
+// Scenario: Empty character
+
+test("should return 0 when character is empty", () => {
+  const str = "my code";
+  const char = "";
+  const count = countChar(str, char);
+  expect(count).toEqual(0);
+});
+
+// Scenario: char is empty character
+
+test("should return 0 when character is empty string ", () => {
+  const str = "my code";
+  const char = " ";
+  const count = countChar(str, char);
+  expect(count).toEqual(0);
+});
+
+
+
+// Scenario: charcter not string 
+