diff --git a/Problems 1-10/problem_1.hs b/Problems 1-10/problem_01.hs
similarity index 100%
rename from Problems 1-10/problem_1.hs
rename to Problems 1-10/problem_01.hs
diff --git a/Problems 1-10/problem_2.hs b/Problems 1-10/problem_02.hs
similarity index 100%
rename from Problems 1-10/problem_2.hs
rename to Problems 1-10/problem_02.hs
diff --git a/Problems 1-10/problem_3.hs b/Problems 1-10/problem_03.hs
similarity index 100%
rename from Problems 1-10/problem_3.hs
rename to Problems 1-10/problem_03.hs
diff --git a/Problems 1-10/problem_4.hs b/Problems 1-10/problem_04.hs
similarity index 100%
rename from Problems 1-10/problem_4.hs
rename to Problems 1-10/problem_04.hs
diff --git a/Problems 1-10/problem_5.hs b/Problems 1-10/problem_05.hs
similarity index 100%
rename from Problems 1-10/problem_5.hs
rename to Problems 1-10/problem_05.hs
diff --git a/Problems 1-10/problem_6.hs b/Problems 1-10/problem_06.hs
similarity index 100%
rename from Problems 1-10/problem_6.hs
rename to Problems 1-10/problem_06.hs
diff --git a/Problems 1-10/problem_7.hs b/Problems 1-10/problem_07.hs
similarity index 100%
rename from Problems 1-10/problem_7.hs
rename to Problems 1-10/problem_07.hs
diff --git a/Problems 1-10/problem_8.hs b/Problems 1-10/problem_08.hs
similarity index 100%
rename from Problems 1-10/problem_8.hs
rename to Problems 1-10/problem_08.hs
diff --git a/Problems 1-10/problem_9.hs b/Problems 1-10/problem_09.hs
similarity index 100%
rename from Problems 1-10/problem_9.hs
rename to Problems 1-10/problem_09.hs