# Uncertainty in Measurement

Please watch this video. Note that at 13:50, there is an error: (1.25 + 0.45) should have brackets around it.

When you are finished, tweet one (or more) questions about the video. Use the hashtag #LEARNuncertainty. Your questions could be:

• related to something that you don’t understand
• a question you think I might ask you
• a question that you think students would commonly have