Why Does My Child Understand Everything In Class But Struggle With Homework?
Last week I sat across from Mia’s mom at my 4th grade parent-teacher conference, watching her twist the lid of her travel coffee mug while she pulled a crumpled math homework sheet out of her canvas tote. Mia’s right there in the hall, splitting a pack of cheddar Goldfish with my own daughter, she said, but look at this. I leaned in, and sure enough, the first six long division problems were all wrong. Mia aces every exit ticket I give at the end of class, I said. Yeah, she said, she aces it when I sit with her too. The second I walk out of the room, or she has to do it alone for homework, it’s like she never heard of long division. I was so mad at her last week, I thought she was just daydreaming or rushing to get it done. But she sat with me after dinner and did the whole worksheet over again, got 8 out of 10 right. What are we doing wrong?
I get this question at least three times a semester, and I first saw it up close with my own nephew three years ago, when I was helping him with 7th grade algebra. We sat at my kitchen table for an hour after school, worked through 12 slope problems, he got every single one right. I left him to finish the last three for homework, came back 10 minutes later with glasses of lemonade, and he was staring at the page like it was written in Greek. I assumed he’d gotten distracted by my cat jumping on the table, until I started paying attention to the pattern in my own classroom.
It’s not laziness, it’s not carelessness, even though it looks that way a lot of the time. When we learn something new in class, we’re surrounded by external cues that do half the work for us. I just explained the steps 10 minutes earlier, so they’re fresh in every kid’s mind. I walk around the room and prompt kids when they get stuck: What do we do after we divide, again? We do the first problem together on the whiteboard, so all the steps are right there where they can see them. It feels like they understand, because they can follow along just fine. But most of the work of remembering is being done by the room and the teacher, not by their own brain. When they get home, all those cues are gone. They have to pull all the steps out of their own memory, and that’s when the gaps show up.
Sometimes it’s a simple working memory thing, too. Kids can hold two or three steps in their head when someone’s reminding them of each one in order, but when they have to hold all five steps at once on their own, they drop one halfway through. Mia, for example, almost always forgets to bring down the next number when she works alone. In class, I tap the paper right by that number when I check in, and she remembers. No tap, no memory. It’s not that she doesn’t know the step, it’s that she hasn’t practiced remembering it on her own enough yet.
I told Mia’s mom there are three small, low-fuss things we can do to fix this, none of which require adding hours of extra practice to the week. First, try the “teach it back” check after the first problem. After you and your kid work through the first question of a new concept together, don’t just ask “Do you get it?” Ninety percent of kids will say yes just to get you to leave them alone. Instead, say: “Okay, now pretend I’m a kid who never learned this. Walk me through exactly how you did this problem, step by step.” If they skip a step, or stumble over what comes next, that’s your gap right there. You don’t have to re-teach the whole lesson, just stop and practice that one step before they move on. It only takes two extra minutes, it’s not a big hassle.
Second, when your kid gets stuck, don’t give them the missing step. Ask the question that makes them pull it out of their own head. Instead of saying “Remember you have to bring down the next number,” say “What do you do after you multiply here?” It’s a tiny change, but it makes your kid do the work of remembering, instead of you doing it for them. Mia’s mom texted me a week after the conference, said she tried this, and half the time Mia remembers the step on her own now, before she even has to probe further. Before, she’d see Mia frowning and jump right in with the answer, because it was faster and less frustrating for both of them. Now she just waits and asks one question.
Third, spread practice out instead of cramming. A lot of textbooks send 10 or 12 of the same problem home all at once. Kids grind through them, feel like they get it, but it never sticks to long-term memory. If the homework feels too heavy, split it up: do 3 problems a night for four nights, instead of 12 all in one sitting. It’s the same amount of work, but spacing it out makes your brain practice pulling the information out again every day, which makes it stick far better than cramming. I do 5 minutes of review of the last new concept every morning in class, before we start the new lesson, and it makes a noticeable difference in how many kids can do independent work by the end of the week.
Mia still stumbles sometimes. Last week I checked her independent work, and she forgot to bring down that number twice. This isn’t a magic fix that makes all the gaps disappear overnight. But her mom says it’s a lot less stressful now, because she doesn’t sit there wondering why Mia won’t try, or if something’s wrong with her. She knows what the gap looks like, and she knows what small things to do to help her fill it.
Yesterday I watched Mia work through a long division problem at her desk during centers. She paused halfway through, mouthed the steps to herself like she was teaching it to an imaginary student, then wrote down the next number and finished it right. It was a small thing, no big celebration, just one kid getting it right on her own. That’s all we’re really going for, anyway.
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