Look for a Pattern

Frets

Suppose you are building a guitar where the distance from the bridge to the nut is 1000 millimeters. Use what you have discovered about the ratios of the fret positions to determine the locations of each of the first 12 frets.

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Heads or Tails

A probability experiment that demonstrates what it really means to say that a tossed coin will come up heads one-half of the time.

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Polygon Necklaces

Make necklaces using a pattern of polygons.

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Peas in a Pod

Is there a relationship between the length of a pea pod and the number of peas it contains?

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Weighing the Evidence

How many pennies are in a mystery roll? Finding the answer involves variables.

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