Katie Sinnott
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PBS Learning Media
Katie Sinnott
High school mathematics teacher Katie Sinnott presents multi-tiered probability problems to her 11th and 12th grade AP Statistics class, in this media gallery from WGBH.
High school mathematics teacher Katie Sinnott presents multi-tiered probability problems to her 11th and 12th grade AP Statistics class, in this media gallery from WGBH.