diff --git a/06-sum/index.js b/06-sum/index.js
index ebc2ee1..922b045 100644
--- a/06-sum/index.js
+++ b/06-sum/index.js
@@ -1,4 +1,18 @@
 export function sum(values) {
-  // implementar logica aqui
-  
-}
\ No newline at end of file
+  let soma = 0;
+  for (let index = 0; index < values.length; index += 1) {
+    soma = soma + values[index];
+  }
+  return soma;
+}
+console.log(sum([])); //(0)
+console.log(sum([1])); //(1)
+console.log(sum([1, 2])); //(3)
+console.log(sum([1, 2, 3])); //(6)
+console.log(sum([1, 2, 3, 4])); //(10)
+console.log(sum([1, 2, 3, 4, 5])); //(15)
+console.log(sum([4, 6, 12, 5])); //(27)
+console.log(sum([9, 234, 312, 999, 21, 2311])); //(3886)
+console.log(sum([533, 234, 23423, 32, 48876])); //(73098)
+console.log(sum([-1, 5, -10, -45]))//(-51)
+console.log(sum([-2, -7, -31]))//(-40)