diff --git a/apps/web/src/app/create/worksheets/addition/components/ConfigPanel.tsx b/apps/web/src/app/create/worksheets/addition/components/ConfigPanel.tsx
index e736c982..ccc7eb14 100644
--- a/apps/web/src/app/create/worksheets/addition/components/ConfigPanel.tsx
+++ b/apps/web/src/app/create/worksheets/addition/components/ConfigPanel.tsx
@@ -2241,8 +2241,20 @@ export function ConfigPanel({ formState, onChange }: ConfigPanelProps) {
                   <ToggleOption
                     checked={formState.showCarryBoxes ?? true}
                     onChange={(checked) => onChange({ showCarryBoxes: checked })}
-                    label="Carry Boxes"
-                    description="Help students track regrouping during addition"
+                    label={
+                      formState.operator === 'subtraction'
+                        ? 'Borrow Boxes'
+                        : formState.operator === 'mixed'
+                          ? 'Carry/Borrow Boxes'
+                          : 'Carry Boxes'
+                    }
+                    description={
+                      formState.operator === 'subtraction'
+                        ? 'Help students track borrowing during subtraction'
+                        : formState.operator === 'mixed'
+                          ? 'Help students track regrouping (carrying in addition, borrowing in subtraction)'
+                          : 'Help students track regrouping during addition'
+                    }
                   />
 
                   <ToggleOption
diff --git a/apps/web/src/app/create/worksheets/addition/components/WorksheetPreview.tsx b/apps/web/src/app/create/worksheets/addition/components/WorksheetPreview.tsx
index 8284b660..5a6ad1af 100644
--- a/apps/web/src/app/create/worksheets/addition/components/WorksheetPreview.tsx
+++ b/apps/web/src/app/create/worksheets/addition/components/WorksheetPreview.tsx
@@ -92,6 +92,8 @@ function PreviewContent({ formState, initialData }: WorksheetPreviewProps) {
       // V4: Problem size (CRITICAL - affects column layout and problem generation)
       formState.digitRange?.min,
       formState.digitRange?.max,
+      // V4: Operator selection (addition, subtraction, or mixed)
+      formState.operator,
       // V4: Mode and conditional display settings
       formState.mode,
       formState.displayRules, // Smart mode: conditional scaffolding