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The Incredible Shrinking Dollar

by Dan Meyer


Act One

  • Dan Meyer

    Dan Meyer

    December 15, 2011

    If Dan shrinks the dollar nine times like this, how big will it be? Will you still be able to see it?

  • 1.

    Draw what you think it will look like.

  • 2.

    Draw a dollar bill you know is too large.

  • 3.

    Draw a dollar bill you know is too small.

Act Two

Act Three


  • 5.

    If you wanted to expand this bill back up to normal size with exactly one copy, what percentage would Dan have to set on the copier?

  • 6.

    How many times would Dan have to copy the dollar to make it effectively invisible?

  • 7.

    You could turn a US dollar coin (d = 26.5 mm) into the size of a dime (d = 17.91 mm) by copying it 4 times at 90%. Give two other ways.

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