[warmly] Welcome to the show. One teaching method you can use tomorrow morning: cut lines. That's it. A cut line is a pre-planned trim point you write into your slides or your lesson plan during weekly planning, so when it's 8:42 and your mini-lesson somehow ate eleven extra minutes, you already know what gets cut. [curious] And 8:42 is painfully specific, which is why I like it. Because this is NOT the heroic little in-the-moment thought of, "I'll just trim something." It's Sunday evening, or if you're feeling virtuous Saturday morning, deciding in advance: this bit is core, this bit is flexible, and if the clock turns on me, I go here. Exactly. Because in the moment, in front of thirty children who can smell uncertainty like sharks smell blood, "I'll just decide what to cut" is a lie we tell ourselves. [laughs] I have absolutely done that thing where I'm standing by slide twelve, glancing at the clock, doing teacher math in my head -- like, okay, if transition takes two minutes and partner talk takes four but really six... and then the whole room feels that panic. [deadpan] Ah yes, live instructional surgery with no anaesthetic. Never ideal. Never ideal. And this idea comes from Jennifer Gonzalez in Cult of Pedagogy, April 27, 2026, in an article called “The Art of Classroom Timing: 10 Ways to Fit It All In.” I wanna say that out loud because sometimes podcast advice gets all floaty. This one has an address. You can go read it. April 27, 2026 -- good. Lock that in. And Gonzalez's framing matters because she's not describing vague flexibility. She's describing a planned decision point. That's the difference between "responsive teaching" and, well, mild chaos wearing a blazer. [chuckles] Mild chaos wearing a blazer is a lot of schools, Colin. But yes. The thing I loved is that she gives language for a moment teachers already know. We all know lessons stretch. We all know one class gets it in three minutes and the next one needs nine. The problem is we act shocked every time. And that connects beautifully to Carol Ann Tomlinson. In her 2017 book How to Differentiate Instruction in Academically Diverse Classrooms -- pages 66 and 67, specifically -- she uses the term “ragged time.” Which, first of all, marvellous phrase. It sounds exactly like what it is: the uneven, frayed bits of classroom timing where some pupils finish early, some are still working, and the schedule refuses to behave. “Ragged time” is SUCH a teacher phrase. The minute I read it, I was like, yes, that's 3rd period on a Wednesday. That's the six kids done already, four still confused, somebody asking for a pencil, and the intercom deciding now is a great time for announcements. Right -- and Tomlinson pairs ragged time with “anchor activities.” So instead of treating uneven pacing as a failure, she says plan for it. Have meaningful work students can move into when they finish. That turns flexible pacing from a messy compromise into a design principle. Let me try to say that back like a classroom person. You're telling me Tomlinson is basically saying: real classrooms are uneven ON PURPOSE -- well, not on purpose, but inevitably -- so your plan should have a spine and then some stretchy parts. [responds quickly] Almost. Not just stretchy parts -- identified stretchy parts. That's the key. If everything is equally sacred, nothing can be cut. If nothing can be cut, the clock starts running the room instead of you. Oof. “If everything is equally sacred, nothing can be cut.” That's going in my notebook. Because I think a lot of us plan like every slide is a beloved child. And sometimes slide nine is not a beloved child. Slide nine is a vocabulary game you enjoy and can live without today. [dryly] Some slides are, pedagogically speaking, lovely but expendable. There we go. And that is why the kitchen table part matters. Or the Sunday coffee shop, or the planning period if you're luckier than the rest of us. The decision happens BEFORE students arrive. Not when the class is already wobbly and you're trying to look calm while erasing your own plan in real time. So tomorrow morning, the setup is about 60 seconds. Protect the core of the lesson. Flag one or two flexible segments. Write the cut line directly into your slide notes. Then have one anchor activity ready for early finishers. That's it. Four moves. And let's make that super concrete, because otherwise it sounds like one more cute framework. Gonzalez gives an example from a 10 a.m. to 12 p.m. adult-learner English block. In that lesson, past-tense verb review is protected core. The vocabulary game is flexible. And the new Wh-questions lecture is also protected. So the cut line goes between the vocabulary game and the Wh-questions part, and it tells you exactly what to skip if the lesson runs long. [questioning tone] That 10 a.m. to 12 p.m. block is useful because two hours sounds generous until humans enter the room. Then suddenly the “vocabulary game” becomes the obvious pressure valve. Not because games are bad -- quite the opposite -- but because “past-tense verb review” and “new Wh-questions” are the instructional load-bearing walls. Load-bearing walls, yes! That's the image. You don't rip out the kitchen sink when the house is in trouble; you cut the decorative arch. And honestly, this is where teachers get tripped up. We say things like, “Well, we'll see how far we get.” No. Write the sentence: “If the clock reads 8:30, skip to slide 14.” Make it bossy. Make it impossible to misunderstand. “If the clock reads 8:30, skip to slide 14” is perfect because it removes decision fatigue. The clock says 8:30. The note says slide 14. Done. No emotional negotiation with yourself while students stare at you. [skeptical] And I know some people hear this and think, okay, but isn't that kind of rigid? Like, are we scripting ourselves into a corner? But in actual classrooms, this feels LESS rigid to me. It frees you up to respond to kids because you've already protected the important stuff. Yes -- and this is the payoff in Tomlinson's terms. Flexible pacing is not sloppy planning. It is planning that survives an actual classroom with uneven finishing times and unpredictable timing. “Ragged time” isn't evidence the lesson failed; it's evidence children are not identical metronomes. Children are not identical metronomes. There's another one. [laughs] But seriously, the anchor activity piece matters here too. If you cut to slide 14 and move on, the early finishers need somewhere legitimate to go. Not fake work. Not “draw quietly if you're done.” An anchor activity. And Tomlinson's term “anchor activities” helps because it suggests stability. A recurring, meaningful task students know how to do without a five-minute explanation. That's how the cut line works without creating fresh chaos at the edges. Here's where I'll allow AI into the room -- cautiously, with supervision. [laughs] Not to plan your lesson FOR you, but to draft the cue. If you're in planning mode, paste in your lesson, your grade, your subject, and your minutes. Then ask for the protected core, the skippable pieces, and one expandable activity. And ask it to write you a literal cue, like: “If the clock reads 8:30, skip to slide 14.” [matter-of-fact] That's a sensible use. You're not outsourcing judgment; you're reducing friction. The judgment remains yours -- what counts as core, what is safely skippable, what anchor task is genuinely worthwhile. AI simply helps produce the language quickly enough that you might actually use it. Right, because that's the real barrier half the time. Not ignorance -- just tiredness. At 6:15 p.m., you're not asking for a revolutionary planning system. You need one sentence in your notes that saves future-you from making bad choices under pressure. [reflective] And there's something oddly humane about that. A cut line assumes the day will get messy, the timing will go ragged, and you will still need a way to preserve what matters most. That's not lower ambition. That's respect for reality. And respect for 8:42 teacher-brain, which is not at its best. [softly] Plan the cut when you're calm, so you don't have to invent it when you're underwater. That's the move. [warmly] Steal that tomorrow morning. We'll leave it there.
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