Here's a riddle for you: You cannot see me, but I can change your answer. What am I? The first insignificant digit when rounding. This brief video provides a great explanation and guided example problems for practicing combining rounding and significant digits. 

Concepts

rounding, scientific notation

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Additional Tags

science

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Instructional Ideas

• Perfect for a flipped classroom where class members watch the video at home and go over the homework during class

Classroom Considerations

• Prior knowledge of significant digits is required and can be found in previous videos in this series
• YouTube videos have public comments so be cautious about inappropriate comments
• T second in a set of three videos

• This video is hosted on YouTube

Pros

• Video offers a clear, concise explanation of the concept
• Guided practice problems are included

Cons

• Extra practice problems are not included