Welcome back to my series on how to teach your kid what school doesn’t. Traditional school is failing your kid in five specific ways, and I’m walking you through how to flip each failure into a win at home. Today, we’re talking about not just filling your kid’s head with knowledge, but helping them actually apply it in the real world.
Thanks for being here, and happy reading.
When I was a kid, my classmates and I got sorted into one of two bins: “street smart” or “book smart.” Maybe you can relate. Looking back, this is beyond frustrating to me. School may teach kids how to memorize things, like presidents, wars, equations, formulas, but it doesn’t teach kids what to do with that information. And life application is what brings knowledge to life.
The good news is that you don’t have to sit back and watch your kid be shuffled into the “book smart” or “street smart” bin.
You can help them master both, and you can do it right at home.
First, in defense of memorization (yes, really)
Look, I love AI. But I’ve met people who are eager for AI to wipe memorization off the map. I’ve heard parents say things like: “Why does my kid need to learn math anymore? AI is the greatest calculator of all time, and we’re all going to have universal basic income, anyway. If they have a question, they can always look it up.”
To this, I say: yikes.
“You can always look it up” is the strange reality we’re swimming in today, where knowledge is cheap and the stakes of not knowing something have literally never been lower. Why should your kid bother memorizing anything at all when the greatest minds in history are resting in the pocket of their jeans?
Here’s the problem with that thinking. The “look-it-up guarantee” turns your kid into someone purely referential: someone who can reference another person’s great ideas but has no access to their own knowledge. They’re left living at the whimsy of other people’s brilliance, never their own.
Researcher E.D. Hirsch wrote about this back in 2000: “You Can Always Look It Up”… Or Can You? Decades of cognitive science show us the danger of relying on tools to do our thinking for us. (How much more relevant that paper is today!)
Memorization isn’t a relic of old-fashioned schooling. In the age of AI, it’s the price of admission to original thought. A kid who relies on AI to do their thinking for them certainly cannot out-think it. That’s a terrifying thought.
So no, memorization isn’t obsolete. Our job is to help kids fill their heads with knowledge.
But it doesn’t stop there.
The whole point of helping our kids gain knowledge is so they can use it to build something incredible.
How to help your kid get smarter, then put it to work
“Book smart” kids know the Pythagorean theorem but have no idea how to create a budget. “Street smart” kids know how to fly across the country without their parents but couldn’t tell you how an airplane gets off the ground in the first place.
You can raise your kid to do both.
1. Give every fact a job.
Teach your kid that facts are more than trivia; they’re tools to open doors. Help them become a professional door-opener:
- Fractions and percentages: Hand your kid the check and put them in charge of the tip. Tell them to halve the cookie recipe, then double it when guests show up. Send them into the store with a “30% off” sign and one question: what does this actually cost? Let them settle whether the “buy one, get one half off” deal beats the 30%-off rack. Put them in charge of stretching their allowance toward something they’re dying to buy, and have them tell you what percentage they’ve saved so far.
- Geometry: Ask them to figure out if the new couch fits through the door and against the wall before you buy it. Have them work out how much paint covers their bedroom wall, then how many cans to buy. Let them measure the backyard and calculate how much grass seed it takes to cover it. Hand them an odd-shaped gift and the wrapping paper and let them figure out how much they need before they start cutting. Let them sketch their dream bedroom to scale and determine if the bed, the desk, and the beanbag will fit.
- Science and engineering: Put your kid in charge of the “why” behind everyday stuff. Why does the bread rise, and what happens if you leave out the baking soda? How does soap kill germs? Why do you get a stomachache after too much candy? Let them figure out why the milk spoiled, why the houseplant is dying, or why their phone battery drains twice as fast on a cold morning. Then throw in some problem-solving: have them take apart a dead flashlight or a broken toy and figure out what the problem is.
- Writing: Skip the five-paragraph essay. Teach your kid to write social media posts about something they love with spiky hooks that stop readers mid-scroll. Have them write handwritten letters to a grandparent that tells a story and follows a narrative arc. Encourage them to write restaurant reviews, a how-to guide for beating a video game, or a persuasive speech about why you should buy them that Christmas present they really want.
2. Have them teach it back to you.
You’ve heard the saying, “If you can’t explain a concept to a fifth grader, then you don’t understand it yourself.” Learning science proves this to be true. You don’t fully understand something until you can teach it to someone else. So practice this with your kid. (Often!)
Make it a household habit that when your kid learns something new, they have to teach it to you or your spouse or their sibling. “Explain photosynthesis to me like I’ve never heard of it.” “Why does the comma go there and not there?” “Walk me through how you knew to multiply instead of add.” Bonus: kids love being the expert for once.
3. Help them build something with it.
One of my daughters went through an obsession with the Revolutionary War, and she begged to do a project on it. Her school said no. I had to set up a meeting with her teacher and convince her to let my daughter create a project and present it to the class. (The teacher reluctantly agreed to a short presentation, but she wasn’t allowed to work on her project at school in her free time. How backwards is that!?)
My point is, kids are naturally curious. They cling to what interests them. They want to build, create, and do. You can play a huge role in unleashing this part of your kid’s potential. And it doesn’t have to be elaborate.
Learned about ecosystems? Have them design a backyard habitat for one local animal. Studying ancient Egypt? Let them build the pyramid out of sugar cubes and explain the engineering. Loved a book? Have them write an alternate ending or film a 60-second trailer for it.
This is where knowledge becomes life application becomes original thought.
Send your kid where AI can’t go
AI is black and white: facts, data, knowledge. LLMs are built on the backs of other people’s life’s work. They only know what is already known. However, there’s still a vast undiscovered gray area where only humans can live, and that’s where you want your kid to be: pioneering new knowledge and discovering what isn’t known yet.
Forget “book smart” or “street smart.” Fill your kid’s head with knowledge, then show them how to use this knowledge in the real world. Then one day, they’ll be equipped with everything they need to go build the things that don’t exist yet.
