Mine the Gap for Mathematical Understanding, Grades 3-5: Common Holes and Misconceptions and What To Do About Them by John J. SanGiovanni (Paperback, 2016)

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Title: Mine the Gap for Mathematical Understanding, Grades 3-5. Being an effective math educator is one part based on the quality of the tasks we give, one part how we diagnose what we see, and one part what we do with what we find.