Ivars Peterson
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All Stories by Ivars Peterson

Math
Counting Franklin’s Magic Squares
Benjamin Franklin's remarkable magic squares are just three of more than 1 million possibilities. For more math, visit the MathTrek blog.

Math
Folding Perfect Thirds
Origami provides a handson way to explore mathematical concepts. For more math, visit the MathTrek blog.

Math
Dropping Lowest Scores
Determining which scores to drop when computing a final grade that is to a student's greatest advantage can be tricky. For more math, visit the MathTrek blog.

Math
Fibonacci’s Missing Flowers
The number of petals that a flower has isn't always a Fibonacci number. For more math, visit the MathTrek blog.

Math
A Straw and Two Glasses
Using a straw to transfer water between two glasses raises intriguing mathematical questions. For more math, visit the MathTrek blog.

Math
Constructing Difference Engines
Antique calculators resurface as Lego or Meccano models. For more math, visit the MathTrek blog.

Math
Papercraft Polyhedra
Constructing intricate polyhedra requires considerable skill and artistry. For more math, visit the MathTrek blog.

Math
Men, Women, Cars, and Crashes
Why do men, whether as drivers or pedestrians, have a much higher rate of traffic fatalities than women do? For more math, visit the MathTrek blog.

Math
Shadows of the Fourth Dimension
In a new book, artist Tony Robbin presents his vision of the fourth dimension in science, art, and modern thought. For more math, visit the MathTrek blog.