Math Content Creator, Prep Scholar, 2023 to present.

• Create math lessons and test questions for standardized test takers. Write explanations that make the underlying math concepts clear.

• Draw diagrams that show and explain math concepts.

• Sort and classify math questions into appropriate topics and subtopics.

• Peer review and edit lessons written by colleagues.
   

Math Content Specialist, MIND Research Institute, 2021 to 2022.

• Developed student-centered, open-ended, inquiry-based, rigorous lessons to meet Grade 4 and 5 Common Core Mathematics Standards.

• Designed playful workbook pages to meet Grade 4 and 5 Common Core Mathematics Standards.
   

Math Instructor, Portland Community College, 2008 to 2021.

• Designed interactive lessons to meet curricular objectives.  Modified lessons in response to assessment of student understanding.

• Created my own quizzes, tests, review worksheets, guided inquiry activities, and projects.
   

Math Circle Leader, Portland Math Circle, Ainsworth Math Circle, and Math Teachers Circle, 2010 to 2020.

• Developed a sequence of thought-provoking, open-ended math problems to foster problem-solving skills in elementary school learners, middle school students, and middle school math teachers.

• Facilitated the math circle. 
   

Book Reviewer, Mathematical Association of America, 2005 to 2014.

• Wrote ten reviews of mathematical texts, popular science and education books for Read This!, the MAA Online Book Review and the MAA’s Digital Library.