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Master BEDMAS: Applying the Four Basic Operations in Math

CA.3.MD.5

Area - unit squares and pattern blocks

Area by Unit Squares

Square measure

Converting Square Units

Calculate the Square Area

auto-gen

CA.3.MD.6

Calculating and Estimating Area and Perimeter

CA.3.MD.8

Perimeter: Grid squares and polygons

Perimeter of Polygons

Perimeter Equation of Polygons

CA.3.NBT.1

Estimating decimals

Rounding Decimals

Place Value Tables of Multi-Digits

Place Value Tables — Multi-Digit

Identifying the Place Value of a Digit

Place Value of a Digit — Multi-Digits

Expanded Form of Multi-Digits

Place Values in Expanded Form — Up to 10K

Place Values in Expanded Form — Up to 999

Converting Between Place Values of Multi-Digits

Conversions To and From — Up to 9999

Reading and Writing Digits

Reading and Writing Digits — Up to 20

Reading and Writing Digits — Up to 99

Comparing Values of Multi-Digits

Place Value Comparing Numbers — Up to 999

Regrouping Place Values of Multi-Digits

Place Values Regrouping — Up to 999

CA.3.NBT.2

Adding with Digits Up to 1000

Add By Digits — Up to 1000

Simplifying Addition by Separating

Addition by Separation — Up to 1000

Addition by Separation — Up to 999

Addition with Regrouping Up to 1000

Add By Regrouping — Up to 1000

Addition Tables Up to 1000

Add By Number Table — Up to 1000

Subtracting with Digits Up to 1000

Subtract By Digits — Up to 1000

Subtraction with Regrouping Up to 1000

Subtract with Regrouping — Up to 1000

CA.3.NF.3

Equivalent fractions

Equivalent Fractions

CA.3.OA.1

Multiplying Digits with 5 and 10 Up to 999

Multiplication by Five or Ten — Up to 100

Multiplying Digits with 0 and 1 Up to 999

Multiplication by One or Zero — Up to 999

Using Models to Multiply Up to 999

Multiplication by Models — Up to 3 Digits

Multiplying using Mental Strategies

Split into Smaller Calculations Strategy — Up to 999

Repeated Addition As Multiplication Up to 999

Multiplication by Repeated Addition — Up to 999

CA.3.OA.2

Sharing & Grouping Up to 999

Sharing and Partitioning — Up to 3 Digits

Dividing with Arrays

Dividing with Arrays — Up to 100

Remainders from Division Up to 999

Sharing and Remainders — Up to 3 Digits

Dividing with Digits Up to 999

Division By Digits — Up to 3 Digits

Understanding the Division Sign Up to 999

Division Language — Divided By

Division Language — Sharing

CA.3.OA.3

Multiplication Word Problems Up to 999

multiplication word problems up to 999

Division Word Problems Up to 999

Division Word Problems — Up to 3 Digits

CA.3.OA.4

Identifying the Missing Digits (Addition)

Fill in the Blank — Up to 1000

Identifying the Missing Digits (Subtraction)

Multiplication Tables Up to 999

Multiplication Tables — Up to 100

Multiplication Tables — Up to 200

Division Tables Up to 999

Division Tables — Up to 100

Division Tables — Up to 200

CA.3.OA.5

Square Numbers

Square numbers — Up to 100

Relating Multiplication with Division Up to 999

Relating Multiplication with Division

CA.3.OA.6

Relating Addition with Division

CA.3.OA.7

Times Tables

Multiplication Times Table — Up to 2 Digits

Multiplying with Digits Up to 999

Multiplication by Digits — Up to 3 Digits

CA.3.OA.8

Applications of the four operations (BEDMAS without exponents)

Combining Multiplication and Addition

Applying BEDMAS Without Exponents

Addition Word Problems Up to 1000

Addition Word Problems — Up to 1000

Addition Word Problems — Up to 200

Subtraction Word Problems Up to 1000

Subtraction Word Problems — Up to 1000

Multiplying with 3 Numbers Or More

Multiplication of Three or More Numbers

3rd Grade Math

math

Intro

Solving a BEDMAS word problem without exponents

Order of operations practice without exponents

Why we need order of operations for multi-step problems

Order of operations using BEDMAS without exponents

Order of operations overview without exponents

Applying BEDMAS order of operations without exponents

Evaluating a BEDMAS expression without exponents (part 3)

Evaluating a BEDMAS expression without exponents

Solving (8 - 3) × 9 using BEDMAS order of operations

Wrapping up a BEDMAS order of operations example

Evaluating an expression using BEDMAS without exponents

Evaluating an expression using order of operations without exponents

Solving a BEDMAS expression without exponents

In this lesson, we will learn:
<ul type = "disc">
<li>How to solve equations with multiple different operations in them</li>
<li>How to follow the proper order of operations using BEDMAS (or PEMDAS)</li>
</ul>

 Notes: 
<ul type = "disc">
<li>Order of operations tells us the rules for which math operations to do first, second, third&hellip; </li>
<ul type = "circle">
<li>The 4 basic operations are: addition (+), subtraction (-), multiplication (&times;), and division (&divide;)</li>
</ul>

 <li>We CANNOT do operations in any order we want because it will lead to different answers.</li>
<ul type = "circle">
<li>Mathematicians have agreed on the order so that everyone does all the operations in the same order to get the same answer (only one correct answer).</li>
</ul>

 <li>To remember the order, we can use the acronym BEDMAS</li>
</ul>

<center><img src="https://dmn92m25mtw4z.cloudfront.net/img_set/math4-4-2-x-1/v1/math4-4-2-x-1-849w.jpg" width="500" alt="Applications of the Four Operations (BEDMAS without exponents)"> </center>

<ul type = "circle">
<ul type = "circle">
<li>Alternatively, some textbooks also use the acronym PEMDAS instead</li>
<li>P in PEMDAS stands for parentheses; M and D still stand for Division and Multiplication, but they&apos;ve switched places from BEDMAS</li>
</ul></ul>

<ul type = "disc">
 <li>If there are more than one of each type of operation, they can all be done in the same step, from left to right, before moving onto the next step.</li>
</ul>

<center><img src="https://dmn92m25mtw4z.cloudfront.net/img_set/math4-4-2-x-2/v1/math4-4-2-x-2-1376w.jpg" width="600" alt="Applications of the Four Operations (BEDMAS without exponents)"> </center>

<ul type = "disc">
 <li>The steps for Order of Operations (without exponents) is:</li>
</ul>

<center><img src="https://dmn92m25mtw4z.cloudfront.net/img_set/math4-4-2-x-3/v1/math4-4-2-x-3-788w.jpg" width="370" alt="Applications of the Four Operations (BEDMAS without exponents)"> </center>

Applications of the four operations

Mastering BEDMAS and the Four Basic Operations in Mathematics

What You'll Learn

Identify which operations to perform first, second, and third using BEDMAS/PEMDAS

Apply the order of operations to solve multi-step equations with multiple operations

Recognize why following a consistent order prevents different answers to the same problem

Evaluate expressions by completing brackets, division, multiplication, addition, and subtraction in order

What You'll Practice

Solving equations with mixed addition, subtraction, multiplication, and division

Applying BEDMAS to multi-step problems with parentheses

Comparing different operation orders to identify correct vs. incorrect solutions

Why This Matters

This Unit Includes

15 Video lessons

Practice exercises

Learning resources

Skills

Order of Operations

BEDMAS

PEMDAS

Multi-step Equations

Four Operations

Problem Solving