diff --git a/00.brainstorming-pedagogical-teams/45.synthesis-structuring/10.math-tools/30.n3/11.es/textbook.fr.md b/00.brainstorming-pedagogical-teams/45.synthesis-structuring/10.math-tools/30.n3/11.es/textbook.fr.md
index d42d12521..88348ea20 100644
--- a/00.brainstorming-pedagogical-teams/45.synthesis-structuring/10.math-tools/30.n3/11.es/textbook.fr.md
+++ b/00.brainstorming-pedagogical-teams/45.synthesis-structuring/10.math-tools/30.n3/11.es/textbook.fr.md
@@ -6,6 +6,8 @@ visible: false
 lessons:
     - slug: definir-234-herramienta-matematica
       order: 2
+    - slug: define-3-mathematical-tools-polyglot
+      order: 2
 ---
 
 #### Lluvia de ideas sobre las herramientas matemáticas necesarias en el nivel 3