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The Case of the Mysterious Money Trail: A Math Maven’s Mysteries Activity

There’s a counterfeiter on the loose! To locate her next stop and crack the case, super-sleuth students analyze number patterns.



Activity Type

  • Computer Lab Activities

In “The Case of the Mysterious Money Trail” (grades 3–5) – one of the Math Maven’s Mysteries – students learn number patterns to stop a counterfeiter in her tracks.


First, students read (and, with audio, listen to) the details of the case. Pat Terns is spending phony money all over town, and it’s been suspected that she’ll deposit her bogus bills into one of four branches of Cashflow Bank around town. But which one? By recounting her trail — from 64th Street to 49th Street to 36th Street to 25th Street — students can figure out her pattern and learn which bank location she’ll stop at next.


Learning Objectives


By participating in Math Maven's Mysteries, students will:

  • Use problem-solving and critical thinking skills
  • Apply math skills in an authentic situation
  • Practice reading skills


Susan Cheyney

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