Why Do Kids Need to Learn Material Before It’s Actually Taught? A Parent’s Question
“But we haven’t even learned this yet.”
My daughter was sitting at the kitchen table, staring at a worksheet about equivalent ratios. The word “equivalent” was not new to her, but the way it was being used might as well have been another language. She was expected to fill out a table explaining how two fractions could be the same, except they weren’t the same at all. Or something. Neither of us really knew.
“It says to watch this video first,” I said, pointing to the assignment instructions she had ignored.
“So I have to learn it before the teacher teaches it?” She pushed the paper away. “Then what does she even do?”
I didn’t have a good answer. It was a fair question. If she can learn it from a video on a Tuesday night, why can’t she learn it in class on Wednesday morning? Isn’t the whole point of school that they teach you stuff you don’t know?
I emailed her teacher that night. I kept it diplomatic, but I basically asked, “What are we supposed to do with this?”
Her teacher wrote back quickly. “We don’t expect them to know the material before the lesson. We expect them to have met it once. It’s a preview, not a test.”
That distinction changed how I think about homework, and about school in general.
For a long time, I had the same assumption my daughter did. Teaching is when someone explains something to you. Learning is when you understand it. The school’s job is to make that happen. If you already knew it, you wouldn’t need the school. So asking kids to touch material before class felt like a loophole, like the school was handing the responsibility back to us.
But then I watched my daughter try to understand a new math concept cold. With no preview, she didn’t just struggle with the math. She struggled with the words. “Equivalent” sounded like something from an old dictionary. “Ratio” made her think of lesson plans. She spent so much energy figuring out what the problem was asking that she barely had any energy left to think about the problem itself.
The next day, after watching the five-minute video, she walked into class with something different. Not knowledge, exactly. More like familiarity. She recognized the word “ratio.” She had seen the little “3:4” thing before. She still didn’t understand it. But she wasn’t starting from zero. She was starting from “I saw this yesterday and it didn’t make sense, but I’ve got a question about it.”
That’s not the same as learning it in advance. It’s more like looking at a map before a walk. You don’t know the path. You’ve never been to the park. But you know where the entrance is, so when the guide says “turn left at the big oak,” you don’t need to stop and ask what an oak is.
I think that’s what her teacher meant. The school still does the teaching. But teaching needs something to stick to. If a child meets an idea for the very first time in a classroom, surrounded by thirty other kids and a ticking clock, most of what they hear is static. There’s too much new information arriving at once. The vocabulary. The symbols. The examples. It’s like trying to understand a conversation in a language you’ve only heard once on a plane.
When a child has seen a little bit in advance, class becomes less about decoding and more about understanding. The teacher can ask, “What do you notice about these two fractions?” and the child can actually notice something, because the words are not the main obstacle anymore.
I used to think “previewing” meant going through the whole chapter at home, making sure every problem was solved, and basically being ready to teach the class myself. That’s not what it is. The best preview I’ve seen is surprisingly small.
The first thing we started doing was limiting it to ten minutes. No more. We would open the next section in the textbook or the online lesson and just scan. Headings, bold words, pictures, maybe the first example. No note-taking. No worksheets. If she understood something, great. If she didn’t, she wrote a question mark at the top of the page. That was the whole assignment. The question mark was there for her to answer in class the next day.
I told her, “You don’t need to get it. You just need to find where you get stuck.” That became our phrase. Being stuck wasn’t a failure. It was the place to sit in class and pay attention.
One teacher we had also explained that some homework is designed to look like an assignment but is really just a warm-up. When a video has two or three questions after it, those aren’t meant to test mastery. They’re meant to give the teacher a quick sense of what the class already noticed. When you see “I don’t get it” in the response, that’s not a problem. That’s useful information. The teacher knows exactly where to start.
Not every school communicates this well. There are plenty of nights when my daughter comes home with a packet that says “Due Friday” and she hasn’t been taught the material yet, and I have no idea whether she’s supposed to struggle through it or just do her best or call me for help. In those moments, I’ve learned to ask the teacher a simple question: “Is this meant as a preview or is this practice?” That one question clears up a lot. If it’s a preview, we keep it light. If it’s practice, then it should be something she can mostly do on her own, and if she can’t, that’s a sign to check in.
I wish I could say the video gets watched every single time. It doesn’t. Some nights it sits in the digital queue unopened. Some mornings we scramble and I read the bold words out loud over cereal. It’s not a perfect system. And sometimes I still feel the old pull in my chest, the one that says, “Why should we be doing your job at the kitchen table?” I don’t think that question is wrong. It just doesn’t get to the heart of what’s happening.
The school’s job is to teach. But kids don’t learn in one smooth pass. They learn in layers. The first layer is just meeting the idea. It doesn’t have to sink in. It just has to make a dent. Then the real lesson can happen, because the idea isn’t a stranger anymore.
So when my daughter asks why she has to learn it before it’s taught, I don’t have to hem and haw. I can say, “You don’t have to learn it. You just have to bump into it. Then tomorrow you can ask good questions.”
It’s a small shift. But it makes the homework feel less like double duty and more like what it actually is: a chance to walk into class already holding one thread of the idea, waiting for the teacher to pull it into place.
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