diff --git a/README.md b/README.md
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+++ b/README.md
@@ -13,7 +13,8 @@
 
 ## [Algorithms](https://github.com/trekhleb/javascript-algorithms/tree/master/src/algorithms)
 
-1. [Fibonacci Number](https://github.com/trekhleb/javascript-algorithms/tree/master/src/algorithms/fibonacci)
+* Math
+  * [Fibonacci Number](https://github.com/trekhleb/javascript-algorithms/tree/master/src/algorithms/math/fibonacci)
 
 ## Running Tests
 
diff --git a/src/algorithms/fibonacci/README.md b/src/algorithms/math/fibonacci/README.md
similarity index 100%
rename from src/algorithms/fibonacci/README.md
rename to src/algorithms/math/fibonacci/README.md
diff --git a/src/algorithms/fibonacci/__test__/fibonacci.test.js b/src/algorithms/math/fibonacci/__test__/fibonacci.test.js
similarity index 100%
rename from src/algorithms/fibonacci/__test__/fibonacci.test.js
rename to src/algorithms/math/fibonacci/__test__/fibonacci.test.js
diff --git a/src/algorithms/fibonacci/fibonacci.js b/src/algorithms/math/fibonacci/fibonacci.js
similarity index 100%
rename from src/algorithms/fibonacci/fibonacci.js
rename to src/algorithms/math/fibonacci/fibonacci.js