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Name
Dr. David Costello
Bio
Dr. David Costello is an author and professional learning facilitator who focuses on mathematics instruction and learning. He has held many roles in education, including numeracy interventionist, numeracy coach, numeracy leader, curriculum consultant, and school administrator in Prince Edward Island, Canada. David supports educators in making impactful yet manageable changes to instruction so that students can have meaningful learning experiences. A popular presenter at math conferences throughout North America, David is also the author of Making Math Stick and Mathematizing Student Learning.
