This concept describes the steps to take when dealing with issues of adding and subtracting values with differing numbers of significant figures.
Provides guided examples where viewers are asked to preserve significant figures in problems involving addition and subtraction.
Reviews the rules for rounding values obtained by addition or subtraction.
Practice Uncertainty in Addition and Subtraction questions
To encourage students to generate questions, activate their prior knowledge, and collect information to answer their own questions using a Question and Answer Table.
Explanations and examples of significant figures while adding or subtracting. Also has an example with scientific notation.