A timed test on the number row: amounts, dates, phone numbers, invoice and reference codes. Prose tests never touch these keys, and for anyone in finance, data entry or administration they are most of the job.
Touch-typing courses teach the letters and stop, so even competent touch typists reach the number row by looking down. It is the furthest row from the home position, its keys are narrow and unlabelled to the fingers, and the finger assignment — 4 and 5 to the left index, 6 and 7 to the right — is one most people were never shown. The result is that a typist at 70 WPM on prose can fall to 20 on a column of figures.
This test is built from the kind of numeric text real work contains: currency with decimals and thousands separators, dates in several formats, telephone numbers, invoice and reference codes that mix letters and digits, and plain runs of figures. Each line is exactly what a spreadsheet, a form or a ledger would ask of you.
Expect a much lower WPM than on prose — a third to a half is normal — and pay attention to accuracy above all. A transposed digit is not a typo; it is a wrong amount, a wrong date, a wrong account. Data-entry roles are assessed on keystrokes per hour and error rate rather than words per minute, and the accuracy figure here is the closer proxy for how you would do on that assessment.
The live counter will show where you slow down. For most people it is the transitions between the letter rows and the number row, and the symbols that share the number keys — the currency sign, the percent, the hyphen in a phone number — each of which needs a shift.
A dedicated keypad is faster for long runs of pure digits and is what professional data-entry work uses; the number row is what everyone else has, especially on laptops. This test is typed on the number row. If your keyboard has a keypad and your job is columns of figures, practise on it — but learn the row too, because dates, codes and amounts inside sentences never come from the keypad.
The Data Entry course teaches the number row the way the letters are taught: one pair of digits at a time, anchored to the finger that owns them, then mixed into currency, dates and codes, then timed against the clock. Most people double their numeric speed inside two weeks simply because they stop looking down. The coach's heatmap after this test shows which digits cost you most — usually 5 and 6, the two furthest from any resting finger.