Most parents have had this moment: your child is stuck on a maths problem, it's 7pm, everyone's tired, and the fastest way through is just to tell them the answer. It works — the homework gets done. But there's a real cost to that shortcut, and it's worth understanding before you reach for it again tomorrow.
Why "just tell them" backfires
Cognitive scientists call it the testing effect: the act of retrieving an answer yourself, even when you get it wrong first, builds a stronger memory than being told the answer and reading it again. A widely cited meta-analysis pooling results across hundreds of studies found practice-testing outperformed simply re-reading or being told the material, with the effect holding across ages and subjects (Adesope, Trevisan & Sundararajan, 2017, accessed 2026-09-20). Handing over the answer skips the one step that actually makes it stick.
There's a second cost too: a child who's used to being told the answer stops trying to find it themselves. Not because they're lazy — because it's a perfectly rational response to how the homework session usually goes.
What actually helps
None of this means leaving your child to struggle alone. The research points to a different kind of help — one that guides without giving the answer away:
- Ask what they've tried, not what the answer should be. "Where did you get stuck?" opens the door to a real conversation. "The answer's 42" closes it.
- Let them explain it back to you, even a wrong attempt. Researchers call this self-explanation, and a 2018 meta-analysis found it has one of the more reliable effects in the learning-strategies literature — but only when it's genuinely prompted, not just left as an optional extra (Bisra, Liu, Nesbit, Salimi & Winne, 2018, accessed 2026-09-20).
- Offer the smallest hint that unsticks them, not the full method. "What's the first step?" before "here's how you solve it."
- Let a wrong answer be okay. A mistake caught and worked through is more useful than a right answer arrived at by copying.
- Know when to stop for the night. If you're both frustrated, the lesson to teach isn't about maths — it's that stopping and coming back tomorrow is a completely normal, sensible choice. Nobody learns well exhausted.
A simple script to try tonight: "Show me what you've got so far." Then: "What do you think the next step might be?" If they're genuinely stuck after that, give one small nudge — not the answer, just enough to get them moving again.
It takes a little longer than telling them. It's also the version that actually helps them next time, when you're not in the room.
The same retrieval-over-re-reading principle is also why cramming the night before a test rarely sticks — see our post on how spaced repetition actually works, and why cramming doesn't.
This is exactly the gap SparkIQ's own tutor is built to sit in — it hints and asks questions before it ever shows a worked solution, and the worked solution only appears after a real attempt. It's additional support alongside school and teachers, not a replacement for either — try it free, no sign-up needed for a sample lesson.