How to Plan Sub-Day Activities That Need No Explanation

The test every sub-day activity has to pass

A substitute walks into your room with a folder, a class list, and about fifteen minutes. Any activity you leave has to work under those conditions. Before anything goes into your sub plans, ask one question: could a stranger run this with no help from me?

Three things make that answer yes. The directions fit in one or two sentences and are written on the page itself. The content is review, not new material, so nobody has to teach it. And there is a way to check the work — an answer key, a model answer, or a task where "done" is obvious — because the sub can't guess what a good answer looks like in your subject.

Anything that fails the test doesn't belong in a sub folder, however good it is on a normal Tuesday.

Five activity types that need no explanation

• A puzzle with the rules on the page. A word search, crossword, or scramble where the word list and instructions are printed at the top. The sub hands it out; students start. Word search puzzles in the classroom covers more ways to use them, including as sub pages.
• A review sheet of something already taught. Last week's skill, not next week's. Students can start without a lesson, and you see what stuck when you return.
• A writing prompt with the success criteria on the sheet. One prompt, plus three lines saying what a finished answer includes ("at least five sentences, one describing word in each, a closing line"). The sub never has to judge.
• Independent reading with a one-line response. Students read a book they chose, then write two sentences: what happened, and one question they'd ask a character. No copies to prepare beyond the prompt slip.
• A partner game the class already knows. A math facts game or spelling game from your normal routine. If students have played it ten times, they can run it for the sub. If it's new to them, it isn't a sub-day game.

What to leave out (even if it's a great activity)

• New content. If the lesson needs your explanation, pacing, or follow-up, it won't survive a stranger delivering it.
• Anything that needs technology to go right. One dead login and the period is gone. Paper first; tech as a bonus, never the plan.
• Group projects with roles and stages. They depend on you knowing who works well together.
• Directions written as reminders to yourself. "Do the usual Tuesday thing" means nothing to someone who has never seen your Tuesday.

The pattern is the same every time: if an activity leans on your presence, it leans too much.

Put together a folder you can grab at 6 a.m.

Don't write sub plans from scratch on the morning you're sick. Build one folder now and refill it as the year moves on.

1. One page about your class. The schedule, where the seating chart lives, your attention signal, two students who can be trusted to explain routines, and the name and room number of a colleague who will help.
2. Two or three self-contained activities from the list above — enough for a full day with something left over.
3. Copies already made. A class set of each page, paper-clipped and labeled, so the sub never touches the copier.
4. An extra page for early finishers. A class that runs out of work twenty minutes early will invent its own entertainment. One spare puzzle or drawing prompt prevents that.
5. A note sheet for the sub. Half a page: what got finished, what didn't, anything you should know. You come back to information instead of guesswork.

Keep the folder somewhere a colleague can find it — and tell one person where it is. A perfect plan in an email nobody opens helps no one.

The ready-made option

If you'd rather not build the spare pages yourself, our Fall Word Search pack is a set of printable word searches with an answer key for every page, in three levels so different readers can work at the same time — the kind of page a sub can hand out with no explanation. See the product page for the details, and the License Terms for how you may use our printables.