Lesson Plan: Adding and Subtracting Decimals: Three Decimal Places Mathematics
This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to add and subtract decimals with up to three decimal places.
Objectives
Students will be able to
- add decimals up to three decimal places using mental methods,
- subtract decimals up to three decimal places using mental methods,
- add decimals up to three decimal places using the column method,
- subtract decimals up to three decimal places using the column method,
- solve problems that involve adding and subtracting decimals up to three decimal places.
Prerequisites
Students should already be familiar with
- adding and subtracting decimals with up to two decimal places.
Exclusions
Students will not cover
- multiplication or division,
- adding or subtracting decimals with more than three decimal places.
