diff --git a/00.brainstorming-pedagogical-teams/45.synthesis-structuring/10.math-tools/05.first-steps/30.en/textbook.fr.md b/00.brainstorming-pedagogical-teams/45.synthesis-structuring/10.math-tools/05.first-steps/30.en/textbook.fr.md
index e5595f12e..7fcda6cc3 100644
--- a/00.brainstorming-pedagogical-teams/45.synthesis-structuring/10.math-tools/05.first-steps/30.en/textbook.fr.md
+++ b/00.brainstorming-pedagogical-teams/45.synthesis-structuring/10.math-tools/05.first-steps/30.en/textbook.fr.md
@@ -6,6 +6,8 @@ visible: false
 lessons:
     - slug: define-g12-mathematical-tools
       order: 1
+    - slug: define-g-mathematical-tools-polyglot
+      order: 3
 ---
 
 ### Define the mathematical tools required at each level