That sounds frustrating! What if you approach the teacher next year and ask for her to try the more advanced math group. If she does well, that may help you advocate for her to be formally identified...

If you find an approach that works, I'd love to hear about it. We have pretty much given up on getting DD formally identified by the school. The psychologist who tested her says she is gifted, she qualified for CTY and EPGY online... and yet, her CogAT scores did not meet the school's requirements and they won't consider outside testing.