# Lesson Plan: Order of Operations: Decimals Mathematics • 6th Grade

This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to evaluate numerical expressions involving decimals using the order of operations.

#### Objectives

Students will be able to

• understand and recall the correct order of operations, including that you add and subtract from left to right and multiply and divide from left to right,
• recall acronyms such as PEMDAS or BIDMAS and how they can be used to recall the order of operations,
• evaluate integer and decimal expressions involving the four operations addition, subtraction, multiplication, and division,
• evaluate integer and decimal expressions involving the four operations addition, subtraction, multiplication, and division, along with parentheses and exponents,
• solve real-word problems involving integers and decimals using the order of operations.

#### Prerequisites

Students should already be familiar with

• the four operations with integers and decimals,
• evaluating exponents,
• the use of the centered-dot notation for multiplication.

#### Exclusions

Students will not cover

• evaluating algebraic expressions.