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..c4df60ee4 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
@@ -16,6 +16,19 @@
 
 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";
+  } else {
+    return "Invalid angle";
+  }
 }
 
 // The line below allows us to load the getAngleType function into tests in other files.
@@ -35,3 +48,18 @@ function assertEquals(actualOutput, targetOutput) {
 // Example: Identify Right Angles
 const right = getAngleType(90);
 assertEquals(right, "Right angle");
+
+const acute = getAngleType(70);
+assertEquals(acute, "Acute angle");
+
+const obtuse = getAngleType(140);
+assertEquals(obtuse, "Obtuse angle");
+
+const straight = getAngleType(180);
+assertEquals(straight, "Straight angle");
+
+const reflex = getAngleType(190);
+assertEquals(reflex, "Reflex angle");
+
+const invalid = getAngleType(370);
+assertEquals(invalid, "Invalid angle");
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..5d1b7dcdd 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
@@ -12,6 +12,11 @@
 
 function isProperFraction(numerator, denominator) {
   // TODO: Implement this function
+  if (numerator < denominator) {
+    return "true";
+  } else {
+    return "false";
+  }
 }
 
 // The line below allows us to load the isProperFraction function into tests in other files.
@@ -31,3 +36,7 @@ function assertEquals(actualOutput, targetOutput) {
 
 // Example: 1/2 is a proper fraction
 assertEquals(isProperFraction(1, 2), true);
+
+assertEquals(isProperFraction(1, 2), "true");
+assertEquals(isProperFraction(2, 2), "false");
+assertEquals(isProperFraction(7, 4), "false");
\ No newline at end of file
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..604cd19d2 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
@@ -23,6 +23,16 @@
 
 function getCardValue(card) {
   // TODO: Implement this function
+  rankCard = card.slice(0, 1);
+  if (rankCard === "A") {
+    return 11;
+  } else if (rankCard === "J" || rankCard === "Q" || rankCard === "K") {
+    return 10;
+  } else if (+rankCard >= 2 && +rankCard <= 10) {
+    return +rankCard;
+  } else {
+    return rankCard.toThrow();
+  }
 }
 
 // The line below allows us to load the getCardValue function into tests in other files.
@@ -47,6 +57,6 @@ 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) { }
 
-// What other invalid card cases can you think of?
+// What other invalid card cases can you think of? "13♠"
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..3ebaa3ee7 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 +14,31 @@ test(`should return "Acute angle" when (0 < angle < 90)`, () => {
 });
 
 // Case 2: Right angle
+test(`should return "Right angle" when (angle === 90)`, () => {
+  // Test various acute angles, including boundary cases
+  expect(getAngleType(90)).toEqual("Right angle");
+});
 // Case 3: Obtuse angles
+test(`should return "Obtuse angle" when (90 < angle < 180)`, () => {
+  // Test various acute angles, including boundary cases
+  expect(getAngleType(91)).toEqual("Obtuse angle");
+  expect(getAngleType(145)).toEqual("Obtuse angle");
+  expect(getAngleType(179)).toEqual("Obtuse angle");
+});
 // Case 4: Straight angle
+test(`should return "Straight angle" when (angle === 180)`, () => {
+  // Test various acute angles, including boundary cases
+  expect(getAngleType(180)).toEqual("Straight angle");
+});
 // Case 5: Reflex angles
+test(`should return "Reflex angle" when (180 < angle < 360)`, () => {
+  // Test various acute angles, including boundary cases
+  expect(getAngleType(181)).toEqual("Reflex angle");
+  expect(getAngleType(245)).toEqual("Reflex angle");
+  expect(getAngleType(359)).toEqual("Reflex angle");
+});
 // Case 6: Invalid angles
+test(`should return "Invalid angle" when (angle > 360)`, () => {
+  // Test various acute angles, including boundary cases
+  expect(getAngleType(90)).toEqual("Invalid angle");
+});
\ 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 7f087b2ba..513ca831b 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
@@ -8,3 +8,19 @@ const isProperFraction = require("../implement/2-is-proper-fraction");
 test(`should return false when denominator is zero`, () => {
   expect(isProperFraction(1, 0)).toEqual(false);
 });
+
+
+// Special case: positives
+test(`should return false when denominator is zero`, () => {
+  expect(isProperFraction(1, 7)).toEqual(false);
+});
+
+// Special case: negatives
+test(`should return false when denominator is zero`, () => {
+  expect(isProperFraction(1, -7)).toEqual(false);
+});
+
+// Special case: zero
+test(`should return false when denominator is zero`, () => {
+  expect(isProperFraction(10, 0)).toEqual(false);
+});
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..45ebb670b 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
@@ -11,9 +11,34 @@ test(`Should return 11 when given an ace card`, () => {
 
 // Suggestion: Group the remaining test data into these categories:
 //   Number Cards (2-10)
+
+test("Should return 2–10 for their respective card values", () => {
+  const cards = ["2", "3", "4", "5", "6", "7", "8", "9", "10"];
+  cards.forEach(card => {
+    expect(getCardValue(card)).toEqual(Number(card));
+  });
+});
+
 //   Face Cards (J, Q, K)
+test("Should return 2–10 for their respective card values", () => {
+  const cards = ["J", "Q", "K"];
+  cards.forEach(card => {
+    expect(getCardValue(card)).toEqual(10);
+  });
+});
+
 //   Invalid Cards
 
+test("Should return invalid for their respective card values", () => {
+  const cards = ["L", "M", "N"];
+  cards.forEach(card => {
+    expect(getCardValue(card)).toEqual(Number("Invalid"));
+
+  });
+});
+
+
+
 // To learn how to test whether a function throws an error as expected in Jest,
 // please refer to the Jest documentation:
 // https://jestjs.io/docs/expect#tothrowerror