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 9e05a871e..d3e6e9a43 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
@@ -15,7 +15,19 @@
 // execute the code to ensure all tests pass.
 
 function getAngleType(angle) {
-  // TODO: Implement this function
+  if(angle > 0 && angle < 90){
+    return "Acute angle";
+  } else if (angle === 90){
+    return "Right angle";
+  } 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";
+  }
+  return "Invalid angle";
+
 }
 
 // The line below allows us to load the getAngleType function into tests in other files.
@@ -25,13 +37,31 @@ module.exports = getAngleType;
 // This helper function is written to make our assertions easier to read.
 // If the actual output matches the target output, the test will pass
 function assertEquals(actualOutput, targetOutput) {
+
   console.assert(
     actualOutput === targetOutput,
-    `Expected ${actualOutput} to equal ${targetOutput}`
+    `❌ Error: expected ${actualOutput} to equal ${targetOutput}`
   );
+
+  if (actualOutput === targetOutput) {
+    console.log(`✅ Test passed: ${actualOutput} equals ${targetOutput}`);
+  }
+  
 }
 
 // TODO: Write tests to cover all cases, including boundary and invalid cases.
 // Example: Identify Right Angles
 const right = getAngleType(90);
 assertEquals(right, "Right angle");
+const acute = getAngleType(45);
+assertEquals(acute, "Acute angle");
+const obtuse = getAngleType(110);
+assertEquals(obtuse, "Obtuse angle");
+const straight = getAngleType(180);
+assertEquals(straight, "Straight angle");
+const reflex = getAngleType(240);
+assertEquals(reflex, "Reflex angle");
+const invalid = getAngleType(-10);
+assertEquals(invalid, "Invalid angle");
+console.log("✓ All test executed!");
+
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 970cb9b64..df73baf47 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
@@ -11,7 +11,19 @@
 // execute the code to ensure all tests pass.
 
 function isProperFraction(numerator, denominator) {
-  // TODO: Implement this function
+
+  if(denominator === 0 || numerator === 0){
+    return false
+  }
+  
+  if (numerator < 0) {
+    numerator = numerator * -1;
+  }
+
+  if (denominator < 0) {
+    denominator = denominator * -1;
+  }
+  return numerator < denominator;
 }
 
 // The line below allows us to load the isProperFraction function into tests in other files.
@@ -30,4 +42,16 @@ function assertEquals(actualOutput, targetOutput) {
 // What combinations of numerators and denominators should you test?
 
 // Example: 1/2 is a proper fraction
-assertEquals(isProperFraction(1, 2), true);
+assertEquals(isProperFraction(5, 9), true);
+assertEquals(isProperFraction(3, 4), true);
+assertEquals(isProperFraction(2, 8), true);
+assertEquals(isProperFraction(1, 6), true);
+assertEquals(isProperFraction(0, 5), true);
+assertEquals(isProperFraction(-3, -5), true);
+
+
+
+// Example: 3/2 is a improper fraction
+assertEquals(isProperFraction(3, 0), false);
+assertEquals(isProperFraction(-7, 5), false);
+console.log("✓ All test executed!");
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 c7559e787..ac557150f 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
@@ -22,7 +22,42 @@
 // execute the code to ensure all tests pass.
 
 function getCardValue(card) {
-  // TODO: Implement this function
+  //check the length and if does not match the valid length throw an error
+  if (card.length < 2 || card.length > 3) {
+    throw new Error("Invalid card");
+  }
+  const suits = ["♠", "♥", "♦", "♣"];
+  const suit = card[card.length - 1];
+
+  let suitValid = false;
+
+  for (let i = 0; i < suits.length; i++) {
+    if (suit === suits[i]) {
+      suitValid = true;
+      break;
+    }
+  }
+  // after comparing each suit in our array and does not match throw an error
+  if (suitValid === false) {
+    throw new Error("Invalid card suit");
+  }
+
+  let rank = card.substring(0, card.length - 1);
+
+  if (rank === "A") {
+    return 11;
+  }
+  if (rank === "J" || rank === "Q" || rank === "K") {
+    return 10;
+  }
+
+  let number = Number(rank);
+
+  if (isNaN(number) || number < 2 || number > 10) {
+    throw new Error("Invalid card rank");
+  }
+
+  return number;
 }
 
 // The line below allows us to load the getCardValue function into tests in other files.
@@ -31,15 +66,43 @@ module.exports = getCardValue;
 
 // Helper functions to make our assertions easier to read.
 function assertEquals(actualOutput, targetOutput) {
-  console.assert(
-    actualOutput === targetOutput,
-    `Expected ${actualOutput} to equal ${targetOutput}`
-  );
+  if (actualOutput !== targetOutput) {
+    console.error(
+      `❌ FAILED: Expected ${targetOutput} but received ${actualOutput}`
+    );
+  } else {
+    console.log(`✅ PASSED: Value is ${actualOutput} as expected`);
+  }
+}
+
+function assertThrows(invalidCard) {
+  try {
+    getCardValue(invalidCard);
+    console.error(
+      `❌ FAILED: "${invalidCard}" should have thrown an error, but it didn't`
+    );
+  } catch (e) {
+    console.log(`✅ PASSED: Error catch para "${invalidCard}" [${e.message}]`);
+  }
 }
 
 // TODO: Write tests to cover all outcomes, including throwing errors for invalid cards.
 // Examples:
-assertEquals(getCardValue("9♠"), 9);
+console.log("--- Running Success Tests ---");
+assertEquals(getCardValue("2♠"), 2);
+assertEquals(getCardValue("10♥"), 10);
+assertEquals(getCardValue("A♣"), 11);
+assertEquals(getCardValue("K♦"), 10);
+assertEquals(getCardValue("J♠"), 10);
+assertEquals(getCardValue("Q♥"), 10);
+assertEquals(getCardValue("7♦"), 7);
+
+console.log("\n--- Running Edge Case Tests ---");
+assertThrows("d");
+assertThrows("15♥");
+assertThrows("A");
+assertThrows("JPP");
+assertThrows("Q🌸");
 
 // Handling invalid cards
 try {
@@ -47,6 +110,8 @@ try {
 
   // This line will not be reached if an error is thrown as expected
   console.error("Error was not thrown for invalid card");
-} catch (e) {}
+} catch (e) {
+  console.log("✓ Error thrown as expected for invalid card");
+}
 
 // What other invalid card cases can you think of?
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 d777f348d..6717783e1 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
@@ -14,7 +14,33 @@ test(`should return "Acute angle" when (0 < angle < 90)`, () => {
 });
 
 // Case 2: Right angle
+test(`should return "Right angle" when (angle = 90)`, () => {
+  expect(getAngleType(90)).toEqual("Right angle");
+});
+
 // Case 3: Obtuse angles
+test(`Should return "Obtuse angle" when the (angle > 90 && angle < 180)`, () => {
+  expect(getAngleType(160)).toEqual("Obtuse angle");
+  expect(getAngleType(110)).toEqual("Obtuse angle");
+  expect(getAngleType(140)).toEqual("Obtuse angle");
+});
+
 // Case 4: Straight angle
+test(`should return "Straight angle" when (angle == 180)`, () => {
+  expect(getAngleType(180)).toEqual("Straight angle");
+});
+
 // Case 5: Reflex angles
+test('should return  "Reflex angle" when (angle > 180 && angle < 360)', () => {
+  expect(getAngleType(181)).toBe("Reflex angle");
+  expect(getAngleType(270)).toBe("Reflex angle");
+  expect(getAngleType(300)).toBe("Reflex angle");
+});
+
 // Case 6: Invalid angles
+test(`Should return "Invalid angle" when the input is invalid`, () => {
+  expect(getAngleType(0)).toEqual("Invalid angle");
+  expect(getAngleType(-1)).toEqual("Invalid angle");
+  expect(getAngleType(361)).toEqual("Invalid angle");
+  expect(getAngleType(400)).toEqual("Invalid angle");
+});
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 7f087b2ba..f78ccc225 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
@@ -4,7 +4,26 @@ const isProperFraction = require("../implement/2-is-proper-fraction");
 
 // TODO: Write tests in Jest syntax to cover all combinations of positives, negatives, zeros, and other categories.
 
-// Special case: numerator is zero
-test(`should return false when denominator is zero`, () => {
-  expect(isProperFraction(1, 0)).toEqual(false);
+// test: proper fraction
+// --- case 1: Proper Fractions ---
+test('should return true for valid proper fractions, including negative numbers', () => {
+  expect(isProperFraction(5, 9)).toBe(true);
+  expect(isProperFraction(3, 4)).toBe(true);
+  expect(isProperFraction(2, 8)).toBe(true);
+  expect(isProperFraction(1, 6)).toBe(true);
+  expect(isProperFraction(-3, -5)).toBe(true);
 });
+
+// --- case 2: Improper Fractions ---
+test('should return false for improper fractions where numerator >= denominator', () => {
+  expect(isProperFraction(-7, 5)).toBe(false);
+  expect(isProperFraction(10, 3)).toBe(false);
+  expect(isProperFraction(5, 5)).toBe(false); 
+});
+
+// --- case 3: 0 Numerator and 0 Denominator ---
+test('should return false when numerator or denominator is zero', () => {
+  expect(isProperFraction(3, 0)).toBe(false); 
+  expect(isProperFraction(0, 3)).toBe(false); 
+  expect(isProperFraction(0, 0)).toBe(false); 
+});
\ 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 cf7f9dae2..3540c8240 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
@@ -4,11 +4,6 @@ const getCardValue = require("../implement/3-get-card-value");
 
 // TODO: Write tests in Jest syntax to cover all possible outcomes.
 
-// Case 1: Ace (A)
-test(`Should return 11 when given an ace card`, () => {
-  expect(getCardValue("A♠")).toEqual(11);
-});
-
 // Suggestion: Group the remaining test data into these categories:
 //   Number Cards (2-10)
 //   Face Cards (J, Q, K)
@@ -18,3 +13,43 @@ test(`Should return 11 when given an ace card`, () => {
 // please refer to the Jest documentation:
 // https://jestjs.io/docs/expect#tothrowerror
 
+describe("getCardValue", () => {
+
+  // Group 1: success cases (Valid cards)
+  test("should return 11 when given an Ace (A)", () => {
+    expect(getCardValue("A♠")).toBe(11);
+    expect(getCardValue("A♥")).toBe(11);
+  });
+
+  test("should return 10 when given a face card (J, Q, K)", () => {
+    expect(getCardValue("J♣")).toBe(10);
+    expect(getCardValue("Q♦")).toBe(10);
+    expect(getCardValue("K♠")).toBe(10);
+  });
+
+  test("should return the numeric value for number cards (2-10)", () => {
+    expect(getCardValue("2♥")).toBe(2);
+    expect(getCardValue("7♦")).toBe(7);
+    expect(getCardValue("10♣")).toBe(10);
+  });
+
+  // Group 2: error cases (Invalid cards)
+  describe("Invalid cards", () => {
+    test("should throw an error for invalid card length or missing components", () => {
+      expect(() => getCardValue("A")).toThrow("Invalid card");
+      expect(() => getCardValue("100♥")).toThrow("Invalid card");
+      expect(() => getCardValue("")).toThrow("Invalid card");
+    });
+
+    test("should throw an error for an invalid suit emoji", () => {
+      expect(() => getCardValue("A🌸")).toThrow("Invalid card suit");
+      expect(() => getCardValue("10X")).toThrow("Invalid card suit");
+    });
+
+    test("should throw an error for an invalid rank", () => {
+      expect(() => getCardValue("1♥")).toThrow("Invalid card rank");
+      expect(() => getCardValue("15♦")).toThrow("Invalid card rank");
+      expect(() => getCardValue("Z♠")).toThrow("Invalid card rank");
+    });
+  });
+});