diff --git a/library/std/src/lib.rs b/library/std/src/lib.rs
index 4b2418a498581..a3f0f3cc55a19 100644
--- a/library/std/src/lib.rs
+++ b/library/std/src/lib.rs
@@ -585,11 +585,13 @@ pub use alloc_crate::string;
 #[stable(feature = "rust1", since = "1.0.0")]
 pub use alloc_crate::vec;
 
-#[unstable(feature = "f128", issue = "116909")]
+#[path = "num/f128.rs"]
 pub mod f128;
-#[unstable(feature = "f16", issue = "116909")]
+#[path = "num/f16.rs"]
 pub mod f16;
+#[path = "num/f32.rs"]
 pub mod f32;
+#[path = "num/f64.rs"]
 pub mod f64;
 
 #[macro_use]
diff --git a/library/std/src/f128.rs b/library/std/src/num/f128.rs
similarity index 99%
rename from library/std/src/f128.rs
rename to library/std/src/num/f128.rs
index bb4acde48224c..c0190de089f4a 100644
--- a/library/std/src/f128.rs
+++ b/library/std/src/num/f128.rs
@@ -4,6 +4,8 @@
 //!
 //! Mathematically significant numbers are provided in the `consts` sub-module.
 
+#![unstable(feature = "f128", issue = "116909")]
+
 #[unstable(feature = "f128", issue = "116909")]
 pub use core::f128::consts;
 
diff --git a/library/std/src/f16.rs b/library/std/src/num/f16.rs
similarity index 99%
rename from library/std/src/f16.rs
rename to library/std/src/num/f16.rs
index 4792eac1f9e28..4a4a8fd839a97 100644
--- a/library/std/src/f16.rs
+++ b/library/std/src/num/f16.rs
@@ -4,6 +4,8 @@
 //!
 //! Mathematically significant numbers are provided in the `consts` sub-module.
 
+#![unstable(feature = "f16", issue = "116909")]
+
 #[unstable(feature = "f16", issue = "116909")]
 pub use core::f16::consts;
 
diff --git a/library/std/src/f32.rs b/library/std/src/num/f32.rs
similarity index 100%
rename from library/std/src/f32.rs
rename to library/std/src/num/f32.rs
diff --git a/library/std/src/f64.rs b/library/std/src/num/f64.rs
similarity index 100%
rename from library/std/src/f64.rs
rename to library/std/src/num/f64.rs
diff --git a/library/std/src/num.rs b/library/std/src/num/mod.rs
similarity index 100%
rename from library/std/src/num.rs
rename to library/std/src/num/mod.rs