With the launch of ChatGPT 5.0, many people are testing it out and circulating their results. In our “random” Slack channel, where we share anything interesting that crosses our path, Filipe from IT posted one that stood out. He’d come across a simple math problem, double-checked it himself, and confirmed it was real:

As you can see, the AI-generated solution walked through clean, logical-looking steps and somehow concluded:

x = –0.21

I have two engineering degrees, and if I hadn’t known there was an error, I might not have spotted it. If I’d been tired, distracted, or rushing, I would have almost certainly missed it because I would have assumed AI could handle something this simple.

Why This Matters for the Classroom

Most of us in the MaplePrimes community already understand that AI needs to be used with care. But our students may not always remember, especially at the start of the school year if they’ve already grown used to relying on AI without question. 

And if we’re honest, trusting without double-checking isn’t new. Before AI, plenty of us took shortcuts: splitting up the work, swapping answers, and just assuming they were right. I remember doing it myself in university, sometimes without even thinking twice. The tools might be different now, but that habit of skipping the “are we sure?” step has been around for a long time.

The difference now is that general-purpose AI tools such as ChatGPT have become the first place we turn for almost anything we do. They respond confidently and are often correct, which can lead us to become complacent. We trust them without question. If students develop the habit of doing this, especially while they are still learning, the stakes can be much higher as they carry those habits into work, research, and other areas of their lives.

A Simple Teaching Opportunity

The example above is making its rounds on social media because it’s memorable. It’s a basic problem, yet the AI still got it wrong and in a way that’s easy to miss if you’re not paying attention.

Using it in the classroom can be a great way to help students remember that AI’s answers need to be checked. It’s not about discouraging them from using AI, but about reinforcing the habit of verifying results and thinking critically about what they see.

So here’s my suggestion:

• Show this example in your class, no matter the subject. If your students are using AI, they’ll benefit from seeing it.
• Spend 10 minutes discussing it.
• Use it as a jumping-off point to talk about what’s OK and not OK when using AI for your course.
• Share other examples like this throughout the year as small reminders, so “critical thinking” becomes second nature.

The Bigger Picture

This isn’t just about catching an AI’s bad subtraction. It’s about building a culture of verification and reasoning in our students. The tools will keep improving, but so will the temptation to turn off our own thinking.

If we can help students get into the habit of checking, AI can be a powerful partner without putting them on autopilot.

To the MaplePrimes community: How do you talk to your students to help them build strong habits when working with AI? Do you bring in examples like this one, or use other strategies? I’d love it if you could share your thoughts, tips, and ideas.