Match terms edge to edge, or put history in order on a timeline. ClassVitals checking-for-understanding tools.
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Quick play: no sign-in, no stars.
· Privacy policy · Terms
| Code | Title | Grid | Mode | Status | Attempts |
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No puzzles yet. Create one in the New puzzle tab.
Make the slides in Google Slides (or PowerPoint), then File → Download → PDF Document, and upload that PDF here. Add questions between the slides, then press ▶ Present in class: every student's Chromebook follows your slides, and the board window goes on the projector.
One pair per line as term | definition. Distractors (wrong definitions for the outer edges) as x | definition. Or import a CSV with columns term, definition; rows with a blank term or x become distractors. Give more pairs than the grid needs and each student gets a different draw.
Class list (optional). One name per line. If filled in, only these names can join, spelled this way.
A Pack is a bank of events for a Strata timeline. Every game draws about ten of them for each student, so the bank can be as long as you like. Make a game from a Pack in the New puzzle tab.
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No Packs yet. Add the starter, or click New Pack.
Students join once: they open the site, click Sign in with Google under Students, and type the class code. After that, every game you assign to the class shows up on their page with no code, they can finish it on any Chromebook, and quiz games move their stars. Only accounts ending in the domain you set can join.
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No classes yet.
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Percent of submitted students who had this pair and got it wrong.
Final score = accuracy − points spent on checks (2, 4, 6, 8, 10). Deleting an attempt lets that student start over.
| Student | Try | Status | Final | Accuracy | Checks | Started | Ended | Elapsed | Active | Flags | Missed |
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No attempts yet.
A crisis is a real moment from history that lands in a student's town as a dispatch with 2 or 3 choices. Each choice costs resources and comes with a task — right answers or new gold stars anywhere on the site (the ❓ Question Bank is the quickest). Students have 2 school days (weekends and "No school" days don't count). Handled: +5 morale and the choice's outcome. Ignored: what they set aside comes back, the worst outcome lands and morale drops 15. Either way they then read what really happened. Crises arrive at random about once a week per town (never before it is a Hamlet, never in its first week), when a town is in trouble, or when you send one. One at a time per town; they never pay gold (only one you write yourself may) and never count in the grade. Only crises you approve below are sent at random.
Claude wrote the first 59 from real history — 31 for AP World, 20 for US History, 3 general and 5 that answer trouble in a town — tagged by era, each ending with what really happened. None reaches your students until you approve it. Preview one, fix its wording, copy one to write your own, or download the CSV, change it in Google Sheets and upload it back. In the CSV, Approved is yes or no, a cost reads like food 20%, lumber 30 (a share of what the town has, or a flat amount) and a task like right 10 or gold 3.
The Question Bank never closes: students can play it any day, all year. Every question you ask a class in a lesson lands in that class's bank (written answers stay out), plus any you add below. A round is 10 questions that grade themselves: the ones a student missed or hasn't seen come up most, and two they already have at gold come back for review. No time limit. Right +5 gold (less when it takes a long time, never under +3), wrong −2, nothing for a question they already had at gold. Gold questions are stones in their walls. It counts in the daily grade only on the days you pick here.
Type or paste them: the question on one line, then each choice on its own line with a * in front of the right one (more than one * makes it select-all-that-apply). Leave a blank line between questions. Or pick a CSV from a spreadsheet with the columns Question, A, B, C, D, E, Right (the letters, like B or A,C), Unit.
Every restroom trip from a lesson: when they asked, left and came back, how long they were out, and the questions (and points) that closed while they were out. Trips over 10 minutes are orange; "didn't press I'm back" means the lesson ended (or the day did) while they were still out.
Each lesson a student left the room in: how much of the lesson's points were asked while they were out, their grade, and the most it could have been if they'd been in the room. ⚠ = failed (under 70), and the points missed while out would have been enough to pass.
Each day's grade is that day's work, weighted by the class's Daily grade settings (Classes tab). Click a date to see its parts; click a grade to see every try and to give a make-up. Click Student to flip A→Z / Z→A. Empty = nothing assigned that day · 0 = assigned, not done · ⚠ = name not yet confirmed by Google.
3D models: Castle Kit and Fantasy Town Kit by Kenney (kenney.nl), CC0; animals by Quaternius (quaternius.com), CC0.
Right answers are the only way to earn gold for your city-state. Quiz games move your stars too. You can play an assignment again while it is open — a fresh draw each time; stars move every time, and gold comes only for events you had not yet taken to gold.