Try many different starting numbers in the flowchart above.
Which starting numbers reach one the fastest?
Topics: Starter  Arithmetic  Investigations  Number
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Teacher, do your students have
access to computers? 

Here a concise URL for a version of this page without the comments.
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Here is the URL which will take them to a related student activity.
Here is the URL which will take them to some more flowchart usage practice.
Here is the URL for the latest flowchart investigation.