DS has just started Year 9. He has a maths teacher who is new to the school.
He had his first lesson with her today. Afterwards he and the rest of the class were concerned that although the teacher seems to be fairly fluent in English, she speaks with an accent that is very hard to understand. And more importantly, she did not seem to understand some simple words that the students used.
For context, this is an inner city London comp with a very mixed demographic. Many of the children have English as a second language or have parents for whom English is a second language. So its a not a cohort who aren't used to different accents.
The most worrying example: she was doing a maths problem on the board where the answer was 1/2. She asked what the answer was and most of the class called out "a half". They repeated this a few times. The teacher then asked, "what's a half?"
Obviously not knowing the English for basic maths terms is an impediment. But she could have been particularly anxious today and got easily confused. DH and I have told DS to give it at least a week, and to make surreptitious notes of any other examples where there's a language problem between the teacher and the class. If this issue continues, DH and I will then speak to the school's SLT.
Any other advice of how to proceed?