diff --git a/packages/math/vector/index.hooks.js b/packages/math/vector/index.hooks.js
index 3dfd8e4..60b29d7 100644
--- a/packages/math/vector/index.hooks.js
+++ b/packages/math/vector/index.hooks.js
@@ -19,6 +19,18 @@ export function behaviorContextTypes() {
           }],
         ],
       },
+      sub: {
+        type: 'vector',
+        label: 'Subtract $2 from $1.',
+        args: [
+          ['l', {
+            type: 'vector',
+          }],
+          ['r', {
+            type: 'vector',
+          }],
+        ],
+      },
     }),
   };
 }