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  • Marilyn Burns & Coauthors


  • Vicki Bachman

    was a primary classroom teacher in Iowa City, Iowa, for more than 20 years and was most recently a math consultant for Grant Wood Area Education Agency in Cedar Rapids, Iowa. A Math Solutions in-service instructor, Vicki is the author of First Grade Math: A Month-to-Month Guide.

  • Jane Crawford

    is a recipient of the Presidential Award for Excellence in Teaching Mathematics, a Math Solutions consultant, and the author of Math by All Means: Money; she also taught in the Kalispell School District in Montana for more than 10 years and has a master’s degree in curriculum and instruction.

  • Eunice Hendrix-Martin

    is a teacher at Carrillo Elementary School in Carlsbad, California, and has been teaching for 37 years. She is a curriculum developer and conference presenter and has been a consultant for Math Solutions. Eunice has also authored math educational resources through Stenhouse.

  • Leo Kostelnik

    a K–8 principal, has been a classroom teacher in Grades 1–12, as well as a mentor teacher and professional development presenter.

  • Melody Randel

    has over 20 years of classroom teaching experience at the elementary, middle school, and university levels and has been a Math Solutions consultant for over 17 years. She has a particular interest in the areas of teaching English language learners and using differentiated instruction. She is one of the authors of the Math Reasoning Inventory (MRI).

  • Susan Scharton

    has over 30 years of experience teaching at the elementary and university levels and is currently a Math Solutions consultant. She completed her EdD in Teaching and Learning in 2007. Her book, Teaching Number Sense, was published in 2005.

  • Mallika Scott

    the cofounder of S&S Math Services, has been a classroom teacher in Grades 2–8 as well as a math coach, mentor teacher, professional development presenter, and conference speaker.

  • Danielle Weill

    has over 18 years of experience teaching at the upper elementary and middle school levels. She is currently a 6th grade teacher and math leader at her school in California, in addition to working as a Math Solutions consultant. She worked closely with Marilyn Burns during the development of the Teaching Arithmetic: Introducing and Extending Fractions books.

  • Maryann Wickett

    is a former elementary classroom teacher and mathematics staff developer in San Marcos Unified School District in San Marcos, California, and is a recipient of the Presidential Award for Excellence in Science and Mathematics Teaching. She is also a workshop leader, conference speaker, and Math Solutions consultant.

  • Lynne Zolli

    a classroom teacher in Grades 1–6, has also been a mentor teacher, professional development leader, and conference speaker. Lynne has served as a grant writer and written Math Solutions professional books.