About Us

Mathematical Expressions specializes in writing and editing K-12 math content for major educational publishers. Whether you are revising a product or launching a new one, Mathematical Expressions can form a team to help you meet your goal.

Mathematical Expressions has partnered with Carnegie Learning, Aptara, ADI-MPS, and Six Red Marbles to create products for Big Ideas Math, Edgenuity, Houghton Mifflin Harcourt, McGraw Hill Education, Pearson, Sadlier, SpringBoard, StrongMind, and Triumph Learning. We welcome opportunities to partner with other publishers and developers of mathematical education products.

In 2018, Henderson was awarded an ATHENA PowerLink panel. The panel consists of 14 business professionals working closely with Henderson to help her take Mathematical Expressions to a new level of success.

Christine Henderson
President & CEO

Henderson earned a bachelor’s of science degree in mathematics education in 1997, an elementary teaching certificate in 2004, and a master’s degree in reading in 2008. She has over 11 years of high school math teaching experience, as well as 19 years of experience in the educational publishing industry.

In 2014, Henderson purchased the company and became president and CEO of Mathematical Expressions (ME). Under her leadership, ME has expanded from three active clients and six active contractors to five large publishing clients and over 35 contractors.

Alysse Dambach
Associate Director of Mathematics

Alysse began working for Mathematical Expressions as an independent contractor in 2016 and became a full-time employee in 2017. She earned her elementary education with middle school mathematics teaching degree in 2006. Alysse has taught for 12 years in a variety of subjects, including Algebra to 7th graders, ESL to 1 st through 8 th graders in the Republic of the Marshall Islands, and outdoor and environmental education to children and adults of all ages. She has also been a teen center director and waterfront director with the YMCA.