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Writing Digits

Lee was writing all the counting numbers from 1 to 20. She stopped for a rest after writing seventeen digits. What was the last number she wrote?

Number Detective

Follow the clues to find the mystery number.


Find out about palindromic numbers by reading this article.

What Number?

Age 5 to 7 Short
Challenge Level

You could look at one piece of information at a time. For example, which numbers are under 25?
Can you now look at another piece of the information and narrow down the options?