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?
Exploring and noticing Working systematically Conjecturing and generalising Visualising and representing Reasoning, convincing and proving
Being curious Being resourceful Being resilient Being collaborative

Writing Digits printable sheet

 

Lee was recording some numbers:

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Writing Digits


What do you think she wrote next?

Why do you think that?

Click on the 'Show' button to find out.

 

 

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Writing Digits

She continued writing the counting numbers in order but she stopped for a rest after writing seventeen digits.

What was the last number she wrote?

She carried on until she got all the way up to the number 20.  

How many digits has she written altogether now?

Can you find a way to work this out without writing the counting numbers yourself?