BrainGym

Exercises / The Auditor

The Auditor

Spot the one wrong number hidden in a receipt, under time pressure.

Trains attention to detail / error-spotting (proofreading under time pressure). · included with an account

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How it works

A generated receipt of line items, subtotal, and total is shown, sometimes with exactly one deliberately wrong value hidden among them, sometimes with no error at all. You identify where the error is, or report that there is none.

Ranks

  1. Junior Auditor
  2. Auditor
  3. Senior Auditor
  4. Chief Auditor
This exercise needs a Google sign-in. The account belongs to you, the adult, and nothing about the child using the exercise is recorded.