B7.1 Data entry speed and accuracy (10-key)
B7.2 Practice tools and certifications
B7 Skill check: Job skills

Step 1 of 5

New words in this lesson

10-key

Typing numbers quickly and accurately on a keyboard's number pad without looking. Many bookkeeping and data-entry jobs test it.

Transposition error

Two digits typed the wrong way round, such as 1,320 entered as 1,230. The difference always divides evenly by 9, which is a quick way to spot one. Example: $1,320.00 − $1,230.00 = $90.00, and 90 ÷ 9 = 10.

Source document

The paper or file that proves a transaction happened: a receipt, invoice, bill, bank statement or contract. Bookkeepers record from source documents and keep them.

Look up any other word in the glossary

Accurate first, then fast

Bookkeepers type a lot of numbers, and many employers test it with a test, which measures how many keystrokes you type correctly per hour.

Use the number pad with your right hand. 4, 5 and 6 are the home keys; the 5 key has a small bump.
Type the decimal point and the cents every time.
Compare what you typed with the before saving.
If a total is off by an amount that divides evenly by 9, two digits are probably swapped: a .

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