CH04 – SF Math

Dates

• P4 – Thursday, January 18th
• P5 – Thursday, January 18th
• P7 – Friday, January 19th

Recap

• measuring with graduated cylinders
• what determines number of digits?

Class Business

• Scientific Notation
• Posted review activity (Schoology)

New Idea – Math with SF

• If every number has uncertainty, how do we do math?
• addition & subtraction rules
• multiplication and division rules
• practice: Ch. 2 (37, 38)

New Idea – Units

• how do we treat units?
• conversions = units first
• dimensional analysis
• practice: Worksheet [Shared]

Next Class – Lab Activity

• Aluminum Foil Lab [Shared]
• Q: what is density?
• A: units and linear graph

Homework

• Review Activity
• Ch. 1 (37) (UGH – typo… not Chpter 2)
• Units Worksheet
• Prep the Aluminum Foil Lab
• Note: Purpose, Procedure, Data (no BG Theory)
• Note: THIS is good stuff [LINK]