Start with 512
Halve it to get 256
Halve it to get 128
- - -
Continue as far as possible
[Decimal fractions are allowed but calculators are not]
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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.
Here is the URL which will provide a little light relief. It is a game based on the sequence of doubling numbers but might be best left till the last five minutes of the lesson as it is quite addictive!