Updated problem list and links

diff --git a/problem-ideas.ipynb b/problem-ideas.ipynb
index 19e4ec300e1e3b62ecdfdb46c0504c0ce30d613e..6ff6da748f5d294e3d6851fa78a6ed2435dcfe96 100644 (file)
--- a/problem-ideas.ipynb
+++ b/problem-ideas.ipynb
@@ -9,6 +9,24 @@
     "[Project workspace](https://learn2.open.ac.uk/course/view.php?id=206050)\n"
    ]
   },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## Problems by day\n",
+    "\n",
+    "1. [Ticket prices](01-ticket-prices)\n",
+    "2. [Lift instructions](02-lifts)\n",
+    "3. [Display board](03-display-board)\n",
+    "4. ?\n",
+    "5. [Word search](05-word-search)\n",
+    "6. ?\n",
+    "7. [Word chains](07-word-chains)\n",
+    "8. ?\n",
+    "9. ?\n",
+    "10. ?\n"
+   ]
+  },
   {
    "cell_type": "markdown",
    "metadata": {},