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Valentine's Day chemistry lectures for Easel Assessments

Preview of Significant Figures (Tracking Placeholders)

Significant Figures (Tracking Placeholders)

Created by
Evan Silberstein
This Power Point presentation answers the question, "How many decimal places do we need to carry this out to?" It explains the need for significant figures by pointing out the ridiculousness of digits in calculations that go way beyond the precision of the instruments that derived the data. The presentation illustrates what place holders are, and teaches students how to count the number of significant figures in data. It also helps students develop rules for determining the appropriate number of
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