Start with the learning question
A wrong answer could reflect the wrong concept, a calculation slip, a rushed reading or uncertainty about the instructions.
A wrong answer could reflect the wrong concept, a calculation slip, a rushed reading or uncertainty about the instructions.

Distinguishes likely conceptual, calculation, reading and time-pressure errors.
Compare the learner's path against known patterns, explain possible causes and recommend a targeted verification exercise.
Explore all 40 feature visuals →A wrong answer could reflect the wrong concept, a calculation slip, a rushed reading or uncertainty about the instructions.
Compare the learner's path against known patterns, explain possible causes and recommend a targeted verification exercise.
An evidence-backed error explanation, one short correction activity and a re-check question.
Review the sequence from input to reviewable output.
A wrong answer could reflect the wrong concept, a calculation slip, a rushed reading or uncertainty about the instructions.
The original question, submitted answer, reference solution, time information and prior related attempts.
Compare the learner's path against known patterns, explain possible causes and recommend a targeted verification exercise.
An evidence-backed error explanation, one short correction activity and a re-check question.
Example only. This is not live customer data or an AI-generated result.
Repeated use of the final amount as the denominator suggests a misconception; a single arithmetic slip should not trigger the same lesson.
Without a working solution, the true cause is uncertain; show possibilities rather than claiming to know the learner's thoughts.
Without a working solution, the true cause is uncertain; show possibilities rather than claiming to know the learner's thoughts.
Illustrations are not live AI output or evidence of tested accuracy.