That's just bad teaching. If you're not allowed to use negatives then the teacher shouldn't be asking questions where negatives are the answer. 20-25 is NOT equal to zero whether you've learnt negatives or not.
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There’s not much worse as a kid in a learning environment, or even with your parent(s), to be shut down painfully for being right about something that they don’t know or don’t think you know. Really crushes the satisfaction of nailing a win and turns it into bitterness and starts the lifelong process of keeping your mouth shut when you’re right and letting others win when wrong.
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This shit happened to me, but in kindergarten. I grew up in a bilingual house. I spoke English and Spanish equally. I went to the school with my mom to get assessed. She said I could read and was bilingual. The teacher didn't believe it and made me read from one of their books.
To add insult to injury, when they had Spanish class, the fucking teacher taught us that "purple" was "porpuda" and "lizard" wad "lizardo." Shit like that... My mom put me in another school.
I'm 48 and still laugh about lizardo. How absolutely stupid.
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The worst part is that he was grounded by the parents. When I was younger a teacher told me I was wrong for saying that Portrush was in County Antrim, not Londonderry like she told the class. My mum brought it up at the parent teacher conference.
Same teacher also marked me wrong when asked to list loughs in Northern Ireland and Iisted Lough Beg. I was right, but it wasn't on the list that SHE gave us.
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I still remember my teacher bitching me out in front of the class when we were learning negative numbers because when he asked me how I figured out the correct answer I said that the positive numbers and negatives cancelled each other out. Like -4 and positive 5, the negative 4 cancels out 4 on the positive side and you are left with 1. Maybe that wasn't the correct verbiage but it gave me the correct answer every time. He was a dick about correcting me though.
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The bajillion stories in the comments about horrible experiences with math just reinforce the fact that I've made the right career choice.
I became an elementary teacher as a second career specifically because so many elementary teachers are absolutely terrible at teaching math. (Mostly because they don't actually understand the math that they're teaching. In my university cohort, almost 50% of my classmates failed the math entrance exam the first time. There was nothing more complex than 5th grade math on that test.)
Students should be allowed to use the strategies that work for them, and they should definitely never be punished for knowing math from higher grade levels.
If a student in my class knows something more advanced, I will challenge them to use grade-level-appropriate strategies to prove that their answers are correct. And if they demonstrate that they can do both, I'll give them more advanced work to help them grow.
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We had computer classes where we had to learn about spreadsheets.
To do a number plus ten percent we had to put in A1+A1*10/100
I did A1*1.1 like a normal person.
She then went round to make sure everyone had put it in correctly. Got annoyed at me and changed A1 to something else to expose my folly.
Was visibly annoyed when it showed the right answer.
"Impossible" would be a more mathematically accurate answer than "zero".
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School nearly managed to kill my curiosity.
Nooo you can't learn about this physics stuff, you haven't learned the math yet.
Yes, that's a great question, hold it until next school year.
No, I can't explain that, it's not part of the subject matter.
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Average autism experience tbh
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Americanized versioned, but with a match teacher it went something like this:
Teacher: Whoever can solve this will get an A.
me: I have a solution.
Teacher: come out and explain it.
Me: I do just that.
Teacher: that is correct, but you didn't use the method we just learned, no A, sit down.
My experiences were to answer correctly, and then they go 'well, yes', and then don't ask me questions in the future.
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Similarly I got accused of plagiarism in ninth grade on a 3 page essay, because I used big words.
This was before the days of the internet. I suppose I could have used something like Encarta, but I don’t even remember if you could copy and paste into ClarisWorks from it, and it was about a fictional book we’d read anyway.
My brother got accused by the same teacher 3 years later. He had an even better vocabulary than me and went on to study theoretical physics.
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God that teachers dumb.. Why even as the question? Why not just do 20 - 20 if you are going to be upset when a kid knows the answer. Simple! Don't ask questions you don't want the correct answers to. Teaching kids the wrong answers only messes them up the next year when they have to unlearn the bullshit you taught them.
I had a similar experience with square roots, writing both the positive and negative answers. It's wild for a teacher to actively reject correct answers because "that's not what we learned today" (the negative answers, in my case).
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Me, but it's a job site and the teacher is my manager and I'm 28. Had a possibility to leave in contrast to this 7 years old child
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