60 hand-crafted math problems: what I learned writing seed data for an adaptive tutor
Why hand-author anything? The obvious approach for seeding an adaptive math tutor is to generate problems programmatically. Pick two random numbers, s…
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Building a mistake taxonomy for dyscalculia — 8 error patterns, rule-based, no ML required
"Wrong" isn't a diagnosis. When a student answers 32 − 9 = 37, they didn't randomly guess. They subtracted in the wrong direction in the ones column —…