I Found a Mistake on My Kid’s Homework. Here’s How I Told the Teacher Without Being “That” Parent.
It was a Wednesday evening, and I was sorting through the school papers that had taken over the kitchen counter. There was a permission slip for an upcoming field trip, a spelling worksheet with a chewed-up eraser, and a math page with a bright red 10/10 at the top. My son was sitting across from me, halfway through a banana, half-watching something on his tablet. I glanced over the math problems, not really looking. Then I saw it.
Problem six read: “6 × 7 = 43.” It had a check mark next to it.
I did a double take. My first thought was to laugh. The second was to drop the paper back into the pile. It was one problem. He still got a perfect score. No one was going to care by the end of the week. But then I thought about how third graders learn math facts. They don’t just learn them—they absorb them. Six times seven becomes a little tile in the floor of their brain. If that tile says 43, it’s going to stay there until someone pries it up. This wasn’t about the grade. It was about my son walking around believing that six times seven equals 43.
I wanted to email his teacher, but I didn’t want to be “that parent.” You know the one. The parent who emails about a single point. The parent who writes “I was just wondering if you could reconsider…” about everything. The parent who is technically polite but still impossible to ignore. I had seen that parent at school pickup. I liked his teacher. I didn’t want to become a homework grievance.
So before I wrote anything, I put the worksheet in front of my son. “Can you double-check this one?” I asked, pointing to problem six.
He looked at it. His lips moved. “Oh,” he said. “42.”
“Do you think your teacher missed it?”
He shrugged. The banana mattered more. For me, that one line was a big deal. For him, once the worksheet was graded, it was history.
That pause helped me think. If I did contact the teacher, it needed to sound like noticing, not correcting. Not “you marked this wrong” but “I noticed something, and I’m not sure if I’m reading it right.” Because the goal wasn’t to make the teacher feel bad. The goal wasn’t to get a grade changed, either. The goal was to keep a wrong fact from taking root in my kid’s head.
I wrote the email in about three minutes. It was short, and I tried to make it easy for the teacher to reply to. I said something like:
“Hi Ms. Raskin,
I was looking over Max’s math worksheet and noticed problem six was marked correct. I might be reading it wrong, but I thought 6 × 7 is 42, and Max wrote 43. If it’s just a little mixup, no problem—I just didn’t want him to memorize the wrong answer. Thank you for all you’re doing!”
There was no “this affected his average.” No “we practice fact fluency at home and he knows this, so maybe…” No “could you do a review of all his work?” Just one question.
She replied within the hour. “Good catch—that one’s on me. I’ll talk to Max tomorrow. Thanks for letting me know.”
The whole exchange was painless. And I didn’t feel like that parent. But the exchange only worked because of what I left out.
What I’ve learned since is that the line between “helpful note to teacher” and “that parent email” is not really about the mistake. It’s about what you’re asking for.
If you’re asking for a grade change, or for special treatment, or for a public acknowledgment that you were right, the email is going to sound like a complaint no matter how polite you make it. If you’re asking for someone to double-check a fact so your child doesn’t learn it wrong, that’s not unreasonable. Teachers want kids to learn correct information. Most teachers don’t mind being told about an obvious typo or a slip of the grading pen—it happens. What they mind is the parent who turns a single mistake into a small court case.
The exact wording matters, too. “I might be reading it wrong” is a strange phrase to use when you’re fairly certain of your math. But it helps. It gives the other person an out. It says: I’m not standing here holding a stack of evidence. I’m just someone who looked at one page and thought, Huh. Could you check? It also leaves room for the possibility that the parent is the one who’s wrong, which happens more than you’d think. Maybe the question was read wrong, or the answer key had a typo, or the teacher meant to circle a different number. If you start with “you marked my child’s work incorrectly,” you put the teacher on defense. Nobody learns anything from a defensive teacher.
The other thing I did was talk to my son about it without making it a thing. I didn’t say, “Your teacher made a big mistake.” I didn’t say, “You got lucky and still got a 10.” I just said, “Check this one,” and then later, after the teacher replied, “Ms. Raskin is going to talk to you tomorrow. She saw that problem and realized it was a mix-up.” That way, my son didn’t learn that teachers are sloppy or that parents are there to fix everything. He learned that everyone makes mistakes and that it’s okay to ask about them.
The trick is to make the flag feel small.
I think that’s the real answer. If you find a mistake on your child’s returned homework, ask yourself what the mistake is actually attached to. Is it attached to a grade your child earned? Let it go. Is it attached to a skill your child is supposed to be learning? Then it’s worth a short note. Keep the note boring. Keep it concrete. Use “I noticed,” not “you did.” And if the child is old enough, let your child be the one to bring it up. A third grader telling a teacher “I think this one is different” is not that parent. It’s just a kid asking a question. That’s the kind of thing that should be normal.
I didn’t get to choose, because my son was too busy with his banana to care. So I sent the email. I kept it short, I didn’t ask for anything beyond “please look at this one more time,” and I moved on with my evening.
The next day, Max came home with the worksheet. Problem six was still 43, but there was a new red line through it and a small “42” written next to it. He shrugged when I asked about it. The whole thing had already left his mind. But the tile in the floor of his brain was back to the right number.
Will I write another email like that again? Probably not for a while. It has to be worth it. But I know now that there’s a version of “that parent” that isn’t just the parent who notices things. It’s the version that makes everything bigger than it needs to be. The mistake on the page is small. The flag can be small, too. The trick is knowing which mistakes actually matter.
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