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Archive of posts filed under the Challenge category.

Math Quiz — NYT Learning Network

bitcoinThrough Math for America, I am part of an ongoing collaboration with the New York Times Learning Network. My latest contribution, a Test Yourself quiz-question, can be found here

Test Yourself Math — April 22, 2013

This question is about the online currency Bitcoin.  The value of a Bitcoin recently dropped nearly $160 from a record high of around $266.  Approximately how much total value did all the Bitcoins in circulation lose?

Math Quiz — NYT Learning Network

medicationThrough Math for America, I am part of an ongoing collaboration with the New York Times Learning Network.  My latest contribution, a Test Yourself quiz-question, can be found here

Test Yourself Math — April 15th, 2013

This problem deals with the increasing number of ADHD diagnoses for children and teenagers in the US.  Approximately how many high school-aged boys are currently on medication for ADHD?

Math Quiz — NYT Learning Network

Through Math for America, I am part of an ongoing collaboration with the New York Times Learning Network.  My latest contribution, a Test Yourself quiz-question, can be found here:

Test Yourself Math — April 3, 2013

This question pertains to a new company that connects coffee growers in Costa Rica directly with retailers around the world.  How much more money are the farmers earning through this system?

Math Quiz — NYT Learning Network

nys drivers licenseThrough Math for America, I am part of an ongoing collaboration with the New York Times Learning Network.  My latest contribution, a Test Yourself quiz-question, can be found here:

Test Yourself Math — March 27, 2013

This question deals the new drivers’ licenses being manufactured in New York state, which are claimed to be “”virtually impossible to forge.”  Approximately how much will each license cost the state?

Math Quiz — NYT Learning Network

lecture hallThrough Math for America, I am part of an ongoing collaboration with the New York Times Learning Network.  My latest contribution, a Test Yourself quiz-question, can be found here:

Test Yourself Math — March 18, 2013

The question deals with massive open online courses (MOOCs) and the online test-proctoring companies that supervise student exams via webcam.  How much could such a company make from a single MOOC?