diff --git a/webapp/src/pages/Calculadora/Calculadora.js b/webapp/src/pages/Calculadora/Calculadora.js
index 527e1a50..683a6245 100644
--- a/webapp/src/pages/Calculadora/Calculadora.js
+++ b/webapp/src/pages/Calculadora/Calculadora.js
@@ -134,6 +134,7 @@ const CalculadoraHumana = () => {
               </Heading>
               <Input
                 type="number"
+                title="number"
                 value={valSubmit}
                 onChange={(e) => setValSubmit(e.target.value)}
                 onKeyDown={handleKeyDown}
diff --git a/webapp/src/pages/Calculadora/Calculadora.test.js b/webapp/src/pages/Calculadora/Calculadora.test.js
new file mode 100644
index 00000000..48042745
--- /dev/null
+++ b/webapp/src/pages/Calculadora/Calculadora.test.js
@@ -0,0 +1,151 @@
+import React from "react";
+import { render, screen, fireEvent, waitFor } from "@testing-library/react";
+import CalculadoraHumana from "./Calculadora";
+import { MemoryRouter } from "react-router-dom";
+
+test("renders the game screen", () => {
+  render(
+    <MemoryRouter>
+      <CalculadoraHumana />
+    </MemoryRouter>
+  );
+
+  // Check if the game screen is rendered
+  expect(screen.getByText(/¿/i)).toBeInTheDocument();
+  expect(screen.getByTitle(/number/i)).toBeInTheDocument();
+  expect(screen.getByRole("button", { name: /enviar/i })).toBeInTheDocument();
+  expect(screen.getByText(/tiempo restante/i)).toBeInTheDocument();
+  expect(screen.getByText(/puntuación/i)).toBeInTheDocument();
+});
+
+test("handles correct answer", () => {
+  render(
+    <MemoryRouter>
+      <CalculadoraHumana />
+    </MemoryRouter>
+  );
+
+  // Get the initial score
+  const initialScore = parseInt(
+    screen
+      .getByText(/puntuación: (\d+)/i)
+      .textContent.split(":")[1]
+      .trim()
+  );
+
+  // Get the initial operation
+  var initialOperation = screen.getByText(/(\d+)\s*([-+*/])\s*(\d+)/).textContent;
+  initialOperation = initialOperation.substring(1, initialOperation.length - 1);
+
+  // Get the input field and submit button
+  const inputField = screen.getByTitle(/number/i);
+  const submitButton = screen.getByRole("button", { name: /enviar/i });
+
+  // Enter the correct answer and submit
+  fireEvent.change(inputField, { target: { value: eval(initialOperation) } });
+  fireEvent.click(submitButton);
+
+  // Check if the score has increased
+  var updatedScore = parseInt(
+    screen
+      .getByText(/puntuación: (\d+)/i)
+      .textContent.split(":")[1]
+      .trim()
+  );
+  expect(updatedScore).toBe(initialScore + 1);
+
+  // Get next operation
+  var nextOperation = screen.getByText(/(\d+)\s*([-+*/])\s*(\d+)/).textContent;
+  nextOperation = nextOperation.substring(1, nextOperation.length - 1);
+
+  // Enter the correct answer and submit
+  fireEvent.change(inputField, { target: { value: eval(nextOperation) } });
+  fireEvent.keyDown(inputField, { key: 'Enter', code: 'Enter' });
+
+  // Check if the score has increased
+  updatedScore = parseInt(
+    screen
+      .getByText(/puntuación: (\d+)/i)
+      .textContent.split(":")[1]
+      .trim()
+  );
+  expect(updatedScore).toBe(initialScore + 2);
+});
+
+test("handles incorrect answer", () => {
+  render(
+    <MemoryRouter>
+      <CalculadoraHumana />
+    </MemoryRouter>
+  );
+
+  // Get the initial score
+  const initialScore = parseInt(
+    screen
+      .getByText(/puntuación: (\d+)/i)
+      .textContent.split(":")[1]
+      .trim()
+  );
+
+  // Get the input field and submit button
+  const inputField = screen.getByTitle(/number/i);
+  const submitButton = screen.getByRole("button", { name: /enviar/i });
+
+  // Enter an incorrect answer and submit
+  fireEvent.change(inputField, { target: { value: 0 } });
+  fireEvent.click(submitButton);
+
+  // Check if the score remains the same
+  const updatedScore = parseInt(
+    screen
+      .getByText(/puntuación: (\d+)/i)
+      .textContent.split(":")[1]
+      .trim()
+  );
+  expect(updatedScore).toBe(initialScore);
+});
+
+test("handles game over", () => {
+  render(
+    <MemoryRouter>
+      <CalculadoraHumana />
+    </MemoryRouter>
+  );
+
+  // Get the initial score
+  const initialScore = parseInt(
+    screen
+      .getByText(/puntuación: (\d+)/i)
+      .textContent.split(":")[1]
+      .trim()
+  );
+
+  // Get the input field and submit button
+  const inputField = screen.getByTitle(/number/i);
+  const submitButton = screen.getByRole("button", { name: /enviar/i });
+
+  // Enter an incorrect answer and submit until game over
+  while (!screen.queryByText(/juego terminado/i)) {
+    fireEvent.change(inputField, { target: { value: 0 } });
+    fireEvent.click(submitButton);
+  }
+
+  // Check if the game over screen is rendered
+  expect(screen.getByText(/juego terminado/i)).toBeInTheDocument();
+  expect(screen.getByText(/tu puntuación: (\d+)/i)).toBeInTheDocument();
+
+  // Check if the score remains the same
+  const updatedScore = parseInt(
+    screen
+      .getByText(/puntuación: (\d+)/i)
+      .textContent.split(":")[1]
+      .trim()
+  );
+  expect(updatedScore).toBe(initialScore);
+
+  screen.getByText(/repetir juego/i).click();
+
+  waitFor(() => {
+    expect(screen.getByText(/¿/i)).toBeInTheDocument();
+  });
+});