diff --git a/00.brainstorming-pedagogical-teams/45.synthesis-structuring/math-tools/n1/textbook.en.md b/00.brainstorming-pedagogical-teams/45.synthesis-structuring/math-tools/n1/textbook.en.md
new file mode 100644
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--- /dev/null
+++ b/00.brainstorming-pedagogical-teams/45.synthesis-structuring/math-tools/n1/textbook.en.md
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+---
+title: Brainstorming on the mathematical tools required at each level
+published: true
+routable: true
+visible: false
+lessons:
+    - slug: brainstorming-123-mathematical-tools
+      order: 1
+---
+
+#### Brainstorming on the mathematical tools required at level 1
+
+--------------------------------
\ No newline at end of file