Remember the matching cards? Vocabulary word on a colored card, definition on a white one, and a table of students racing to pair them up. It was one of the simplest review tools in the room, and one of the few that got every kid leaning in. It’s back, rebuilt for the browser.
Rivet Your Attention is the newest duel on DuelingHistory.com. Every card is face up. No flipping, no guessing. Click a pink card, then click the white card that goes with it. Get them all and beat the clock.
Math teachers, this one’s for you. The sample board, Lines & Curves, pairs graphs with equations: y = 2x + 1, y = |x| − 1, y = −x² + 4, y = 2ˣ. Is that V-shape shifted down one or up one? Is that parabola opening up or down? Speed only counts if you’re right. History fans can switch to Presidential Nicknames instead.
Put in a class or school name, hit Start, and your time goes on the Leaderboard. One period against another, one school against the next.
Make your own board
Click Edit Board to build pairs for any subject: term and definition, picture and name, or picture and quote. Save board file keeps a copy for next period, next year, or the teacher across the hall.
Far Side of History 
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