diff --git a/modulo3/projeto-labex/projeto-labex/src/App.js b/modulo3/projeto-labex/projeto-labex/src/App.js
index 6d81f03..7a12e3a 100644
--- a/modulo3/projeto-labex/projeto-labex/src/App.js
+++ b/modulo3/projeto-labex/projeto-labex/src/App.js
@@ -1,13 +1,11 @@
 import React from "react";
 import { Router } from "./Routes/Router";
-// import ApplicationFormPage from "./Pages/ApplicationFormPage";
 
 
 const App =()=> {
   return (
     <div>
       <Router/>
-      {/* <ApplicationFormPage/> */}
     </div>
   );
 }
diff --git a/modulo4/intro-typescript/template-typescript/.gitignore b/modulo4/intro-typescript/template-typescript/.gitignore
new file mode 100644
index 0000000..b512c09
--- /dev/null
+++ b/modulo4/intro-typescript/template-typescript/.gitignore
@@ -0,0 +1 @@
+node_modules
\ No newline at end of file
diff --git a/modulo4/intro-typescript/template-typescript/package-lock.json b/modulo4/intro-typescript/template-typescript/package-lock.json
new file mode 100644
index 0000000..403418a
--- /dev/null
+++ b/modulo4/intro-typescript/template-typescript/package-lock.json
@@ -0,0 +1,35 @@
+{
+  "name": "introducao-typescript",
+  "version": "1.0.0",
+  "lockfileVersion": 2,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "introducao-typescript",
+      "version": "1.0.0",
+      "license": "ISC",
+      "dependencies": {
+        "typescript": "^4.5.4"
+      }
+    },
+    "node_modules/typescript": {
+      "version": "4.7.2",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.7.2.tgz",
+      "integrity": "sha512-Mamb1iX2FDUpcTRzltPxgWMKy3fhg0TN378ylbktPGPK/99KbDtMQ4W1hwgsbPAsG3a0xKa1vmw4VKZQbkvz5A==",
+      "bin": {
+        "tsc": "bin/tsc",
+        "tsserver": "bin/tsserver"
+      },
+      "engines": {
+        "node": ">=4.2.0"
+      }
+    }
+  },
+  "dependencies": {
+    "typescript": {
+      "version": "4.7.2",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.7.2.tgz",
+      "integrity": "sha512-Mamb1iX2FDUpcTRzltPxgWMKy3fhg0TN378ylbktPGPK/99KbDtMQ4W1hwgsbPAsG3a0xKa1vmw4VKZQbkvz5A=="
+    }
+  }
+}
diff --git a/modulo4/intro-typescript/template-typescript/package.json b/modulo4/intro-typescript/template-typescript/package.json
new file mode 100644
index 0000000..579dcc5
--- /dev/null
+++ b/modulo4/intro-typescript/template-typescript/package.json
@@ -0,0 +1,22 @@
+{
+  "name": "introducao-typescript",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+
+    "start": "clear && tsc && node ./build/index.js",
+    "exercicio1":"clear && tsc && node ./build/exercicio1.js",
+    "exercicio2":"clear && tsc && node ./build/exercicio2.js",
+    "exercicio3":"clear && tsc && node ./build/exercicio3.js",
+    "exercicio4":"clear && tsc && node ./build/exercicio4.js",
+    "exercicio5":"clear && tsc && node ./build/exercicio5.js"
+
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "typescript": "^4.5.4"
+  }
+}
diff --git a/modulo4/intro-typescript/template-typescript/src/exercicio1.ts b/modulo4/intro-typescript/template-typescript/src/exercicio1.ts
new file mode 100644
index 0000000..a0b1887
--- /dev/null
+++ b/modulo4/intro-typescript/template-typescript/src/exercicio1.ts
@@ -0,0 +1,9 @@
+function checaTriangulo(a:number, b:number, c:number) {
+    if (a !== b && b !== c) {
+      return "Escaleno";
+    } else if (a === b && b === c) {
+      return "Equilátero";
+    } else {
+      return "Isósceles";
+    }
+  }
\ No newline at end of file
diff --git a/modulo4/intro-typescript/template-typescript/src/exercicio2.ts b/modulo4/intro-typescript/template-typescript/src/exercicio2.ts
new file mode 100644
index 0000000..c8fa844
--- /dev/null
+++ b/modulo4/intro-typescript/template-typescript/src/exercicio2.ts
@@ -0,0 +1,5 @@
+function imprimeTresCoresFavoritas(cor1:string, cor2:string,  cor3:string): Array <string> {
+   return[cor1, cor2, cor3]
+ }
+ console.log(imprimeTresCoresFavoritas("Laranja","Amarelo", "Azul" ));
+ 
\ No newline at end of file
diff --git a/modulo4/intro-typescript/template-typescript/src/exercicio3.ts b/modulo4/intro-typescript/template-typescript/src/exercicio3.ts
new file mode 100644
index 0000000..fb2d0a3
--- /dev/null
+++ b/modulo4/intro-typescript/template-typescript/src/exercicio3.ts
@@ -0,0 +1,5 @@
+function checaAnoBissexto(ano:number) {
+    const cond1 = ano % 400 === 0
+    const cond2 = (ano % 4 === 0) && (ano % 100 !== 0)
+    return cond1 || cond2
+ }
\ No newline at end of file
diff --git a/modulo4/intro-typescript/template-typescript/src/exercicio4.ts b/modulo4/intro-typescript/template-typescript/src/exercicio4.ts
new file mode 100644
index 0000000..c8b2e34
--- /dev/null
+++ b/modulo4/intro-typescript/template-typescript/src/exercicio4.ts
@@ -0,0 +1,16 @@
+function comparaDoisNumeros(num1:number, num2:number) {
+    let maiorNumero:number
+    let menorNumero:number
+  
+    if (num1 > num2) {
+      maiorNumero = num1;
+      menorNumero = num2;
+    } else {
+      maiorNumero = num2;
+      menorNumero = num1;
+    }
+  
+    const diferenca = maiorNumero - menorNumero;
+  
+    return diferenca 
+  }
\ No newline at end of file
diff --git a/modulo4/intro-typescript/template-typescript/src/index.ts b/modulo4/intro-typescript/template-typescript/src/index.ts
new file mode 100644
index 0000000..a98fc24
--- /dev/null
+++ b/modulo4/intro-typescript/template-typescript/src/index.ts
@@ -0,0 +1,2 @@
+//escreva o seu código aqui
+
diff --git a/modulo4/intro-typescript/template-typescript/tsconfig.json b/modulo4/intro-typescript/template-typescript/tsconfig.json
new file mode 100644
index 0000000..2a37221
--- /dev/null
+++ b/modulo4/intro-typescript/template-typescript/tsconfig.json
@@ -0,0 +1,11 @@
+{
+  "compilerOptions": {
+      "target": "es6",            /* Specify ECMAScript target version */
+      "module": "commonjs",       /* Specify module code generation */
+      "sourceMap": true,          /* Generates corresponding '.map' file. */
+      "outDir": "./build",        /* Redirect output structure to the directory. */
+      "rootDir": "./src",         /* Specify the root directory of input files. */
+      "removeComments": true,    /* Do not emit comments to output. */
+      "noImplicitAny": true       /* Raise error on declarations with an implied 'any' type. */
+  }
+}
\ No newline at end of file