## Very Basic Order of Operations

#### Aligned To Common Core Standard:

**Grade 3 Operations** - 3.OA.D.8

What is the Order of Operations? Almost everything in this world follows a specific order. Things that don't follow an order are usually termed as disorganized or a mess. When solving number problems, specifically the ones with more than one operation in them, students cannot randomly perform operations as it will give an inaccurate answer. To solve a number problem that involves different operations, the students need to follow the PEMDAS rule. PEMDAS is an acronym that stands for Parenthesis, exponents, multiplication, and division, addition, and subtraction. To remember the order, a lot of students memorize the phrase, "Please excuse my dear aunt Sally." The order states that in a number problem, you have to always solve the part that is contained within parenthesis. The second step is to simplify the numbers with exponents or powers on them, and then move on to multiplication or\and division, and addition or/and subtraction. When multiplying, dividing, adding, or subtracting in a number problem, you need to proceed from left to right. This series of worksheets and lesson introduces students to the order of operations.

### Printable Worksheets And Lessons

- Two Step Problem Step-by-Step Lesson- We introduce you to our old friend PEMDAS.
- Guided Lesson - A basic two stepper followed by missing signs for operations.
- Guided Lesson Explanation - Remember to solve these the same way you read, left to right.
- Practice Worksheet - Two or three step sides in this series of problems for you to work on.
- Matching Worksheet - Match the final difference / sum with the problem that forms that value.
- Signed Number Word Problem Five Pack of Worksheets - There is such a wide variety of scenarios and math skills used in this one.
- Solving Multi - Step Equations Five Pack of Worksheets - Two steps max in this one. Wait a minute! Make that three steps, if you consider carrying a step.

#### Homework Sheets

Time to go all PEMDAS on these problems.

- Homework 1 - The word PEMDAS reminds us of the order of operations.
- Homework 2 - Addition before subtraction.
- Homework 3 - Division before addition.

#### Practice Worksheets

The second sheet uses (parenthesis).

- Practice 1 - Find the final value of all the problems below.
- Practice 2 - These are a little bit more difficult.
- Practice 3 - The order of operations tells us what order must be used when evaluating numerical expressions with two or more operations.