Lesson Plan: Rounding to Significant Figures Chemistry
This lesson plan includes the objectives and exclusions of the lesson teaching students how to express the precision of a value by rounding to the correct number of significant figures or decimal places.
Objectives
Students will be able to
- define decimal places and significant figures,
- recognize that data should be recorded with the same precision with which they are given by the measuring instrument,
- round values to a given number of significant figures or decimal places,
- identify that the final value should not contain more significant figures than the least accurately measured quantity.
Exclusions
Students will not cover
- scientific notation,
- errors or uncertainties.
