diff --git a/common-docs/teachertool/validator-plans-shared.json b/common-docs/teachertool/validator-plans-shared.json
index 09fa4551c12d..681c7812ae04 100644
--- a/common-docs/teachertool/validator-plans-shared.json
+++ b/common-docs/teachertool/validator-plans-shared.json
@@ -281,6 +281,19 @@
                     "name": ""
                 }
             ]
+        },
+        {
+            ".desc": "The zero number block is present.",
+            "name": "number_zero",
+            "threshold": 1,
+            "checks": [
+                {
+                    "validator": "blockFieldValueExists",
+                    "fieldType": "NUM",
+                    "fieldValue": 0,
+                    "blockType": "math_number"
+                }
+            ]
         }
     ]
 }