Unit 1: Addition  Lesson 1:


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Section 1: Place Value in Whole Numbers

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Section 2: Reading Word Problems Carefully

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Unit 1: Addition  Lesson 2:


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Section 1: Thinking About Numbers by Place Value

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Section 2: Reading Important Information

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Unit 1: Addition  Lesson 3:


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Section 1: Addition Problems in Expanded Form

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Section 2: Finding What the Problem Is Asking For

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Unit 1: Addition  Lesson 4:


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Section 1: Expanded Addition

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Section 2: Using Bar Graphs to Display Data

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Unit 1: Addition  Lesson 5:


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Section 1: Creating Bar Graphs

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Unit 1: Addition  Lesson 6:


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Section 1: More Expanded Addition

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Section 2: Analyzing Data in a Bar Graph

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Unit 1: Addition  Lesson 7:


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Section 1: Regrouping in Expanded Addition

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Section 2: Finding Information in Tables

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Unit 1: Addition  Lesson 8:


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Section 1: Comparing Methods of Regrouping

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Section 2: Creating a Graph From a Table of Data

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Unit 1: Addition  Lesson 9:


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Section 1: More Methods of Regrouping

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Section 2: Posing Questions From a Graph

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Unit 1: Addition  Lesson 10:


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Section 1: Numbers on a Number Line

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Unit 1: Addition  Lesson 11:


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Section 1: Estimating Sums by Rounding

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Section 2: Using Rounded Numbers in Bar Graphs

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Unit 1: Addition  Lesson 12:


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Section 1: Horizontal Expanded Addition

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Section 2: Horizontal Bar Graphs

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Unit 1: Addition  Lesson 13:


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Section 1: Horizontal Addition With Hundreds

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Section 2: Collecting Data and Constructing Graphs

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Unit 1: Addition  Lesson 14:


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Section 1: Creating a Pictograph

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Unit 2: Subtraction  Lesson 1:


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Section 1: Addition and Division Fact Families

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Section 2: Answering the Right Question

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Unit 2: Subtraction  Lesson 2:


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Section 1: Expanded Division

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Section 2: Analyzing Data Using Division

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Unit 2: Subtraction  Lesson 3:


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Section 1: Expanded Division With Regrouping

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Section 2: Locating Information in a Table

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Unit 2: Subtraction  Lesson 4:


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Section 1: More Regrouping in Division

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Section 2: Working With Tables and Graphs

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Unit 2: Subtraction  Lesson 5:


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Section 1: Traditional Division

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Unit 2: Subtraction  Lesson 6:


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Section 1: Estimating Differences

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Section 2: Making Sense of Graphs and Tables

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Unit 2: Subtraction  Lesson 7:


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Section 1: Estimating to Check Answers

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Section 2: Checking Answers in Word Problems

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Unit 2: Subtraction  Lesson 8:


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Section 1: Quarter Rounding

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Section 2: Estimating in Word Problems

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Unit 2: Subtraction  Lesson 9:


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Section 1: More Estimating Differences

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Section 2: Using Estimation to Check a Bill

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Unit 2: Subtraction  Lesson 10:


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Section 1: Common Division Errors

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Unit 2: Subtraction  Lesson 11:


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Section 1: Using Addition to Check Division

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Section 2: Understanding Income, Expenses, and Profit

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Unit 2: Subtraction  Lesson 12:


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Section 1: Zeros in Division

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Section 2: Understanding Budgets

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Unit 2: Subtraction  Lesson 13:


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Section 1: Good Number Sense

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Section 2: Solving With Estimation

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Unit 2: Subtraction  Lesson 14:


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Section 1: Writing About What We Have Learned

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Section 2: Writing Good Word Problems

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Unit 3: Multiplication  Lesson 1:


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Section 1: Basic and Extended Multiplication Facts

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Section 2: Metric Rulers

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Unit 3: Multiplication  Lesson 2:


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Section 1: Factoring Out a 10

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Section 2: Multiplying Side Lengths

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Unit 3: Multiplication  Lesson 3:


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Section 1: Factoring Out Powers of 10

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Section 2: Estimating Length

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Unit 3: Multiplication  Lesson 4:


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Section 1: Expanded Multiplication

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Section 2: Distance on a Map

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Unit 3: Multiplication  Lesson 5:


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Section 1: More Expanded Multiplication

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Unit 3: Multiplication  Lesson 6:


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Section 1: Multiplying Two Multidigit Numbers

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Section 2: Estimating Measurements

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Unit 3: Multiplication  Lesson 7:


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Section 1: Comparing Methods of Multiplication

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Section 2: Mental Math Using Multiplication

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Unit 3: Multiplication  Lesson 8:


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Section 1: Estimating Products

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Section 2: Rates

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Unit 3: Multiplication  Lesson 9:


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Section 1: Common Errors in Multiplication

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Section 2: More Rates

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Unit 3: Multiplication  Lesson 10:


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Section 1: More Estimation of Products

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Unit 3: Multiplication  Lesson 11:


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Section 1: More Estimation With Multidigit Factors

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Section 2: Rate of Production

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Unit 3: Multiplication  Lesson 12:


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Section 1: Scale Drawings

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Unit 3: Multiplication  Lesson 13:


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Section 1: Area Models of Multiplication

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Unit 3: Multiplication  Lesson 14:


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Section 1: Another Way to Think About Area Models and Multiplication

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Unit 4: Division  Lesson 1:


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Section 1: Multiplication and Division Fact Families

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Section 2: Metric Rulers and Division

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Unit 4: Division  Lesson 2:


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Section 1: Basic and Extended Division Facts

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Section 2: Understanding Equal Groups

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Unit 4: Division  Lesson 3:


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Section 1: Facts and Extended Facts on the Number Line

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Section 2: Powers of 10 on the Number Line

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Unit 4: Division  Lesson 4:


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Section 1: Division's Two Big Questions: How Many Groups? and How Many in
Each Group?

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Section 2: How Word Problems Ask Questions About Division

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Unit 4: Division  Lesson 5:


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Section 1: Division and Area Models

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Unit 4: Division  Lesson 6


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Section 1: What Makes Long Division Difficult?

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Section 2: Using Basic Division Questions to Solve Word Problems

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Unit 4: Division  Lesson 7


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Section 1: Place Value and Division in the Hundreds

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Section 2: PlaceValue Coins

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Unit 4: Division  Lesson 8


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Section 1: Regrouping in Division

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Section 2: More PlaceValue Coins

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Unit 4: Division  Lesson 9


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Section 1: Remainders

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Section 2: Interpreting Remainders in Word Problems

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Unit 4: Division  Lesson 10


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Section 1: Traditional Long Division

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Unit 4: Division  Lesson 11


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Section 1: Using Near Extended Facts to Estimate

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Section 2: Area Models and Remainders

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Unit 4: Division  Lesson 12


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Section 1: When Remainders Are Important

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Unit 4: Division  Lesson 13


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Section 1: Division and Calculators

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Section 2: Making Decisions About Remainders in Word Problems

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Unit 4: Division  Lesson 14


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Section 1: Finding Division Errors

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Section 2: Multiplication and Division Word Problems

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Unit 5: Factors, Primes, and Composites  Lesson 1


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Section 1: Arrays of Numbers 1 to 25

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Section 2: Irregularly Shaped Objects

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Unit 5: Factors, Primes, and Composites  Lesson 2


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Section 1: Area Formulas for Squares and Rectangles

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Unit 5: Factors, Primes, and Composites  Lesson 3


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Section 1: From Arrays to Factors

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Section 2: Area Formulas for Triangles and Parallelograms

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Unit 5: Factors, Primes, and Composites  Lesson 4


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Section 1: Factor Rainbows

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Section 2: Applying Area Formulas

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Unit 5: Factors, Primes, and Composites  Lesson 5


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Section 1: Composite and Prime Numbers

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Unit 5: Factors, Primes, and Composites  Lesson 6


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Section 1: Understanding Prime Numbers

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Section 2: Perimeter

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Unit 5: Factors, Primes, and Composites  Lesson 7


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Section 1: Prime Factors

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Section 2: Different Shapes, Same Perimeter

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Unit 5: Factors, Primes, and Composites  Lesson 8


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Section 1: More Practice on Prime Factor Trees

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Section 2: Same Perimeter, Different Area

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Unit 5: Factors, Primes, and Composites  Lesson 9


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Section 1: Comparing Area and Perimeter

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Unit 5: Factors, Primes, and Composites  Lesson 10


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Section 1: Common Errors in Prime Factorization

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Unit 5: Factors, Primes, and Composites  Lesson 11


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Section 1: Divisibility Rules for 2, 5, and 10

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Section 2: Patterns in Area and Perimeter

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Unit 5: Factors, Primes, and Composites  Lesson 12


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Section 1: Divisibility Rules for 3 and 6

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Section 2: Finding Area and Perimeter of Irregular Shapes

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Unit 5: Factors, Primes, and Composites  Lesson 13


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Section 1: Practice With Divisibility Rules

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Section 2: More Strategies for Finding Area

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Unit 5: Factors, Primes, and Composites  Lesson 14


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Section 1: Prime Factorization for Large Numbers

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Section 2: Looking for Patterns

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Unit 6: Common Factors and Number Patterns  Lesson 1


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Section 1: Finding Common Factors

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Section 2: Classifying Shapes

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Unit 6: Common Factors and Number Patterns  Lesson 2


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Section 1: More Practice Finding Common Factors

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Section 2: Reclassifying Shapes

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Unit 6: Common Factors and Number Patterns  Lesson 3


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Section 1: Greatest Common Factor

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Section 2: Tessellations

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Unit 6: Common Factors and Number Patterns  Lesson 4


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Section 1: More Practice With The GCF

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Section 2: Congruent Shapes

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Unit 6: Common Factors and Number Patterns  Lesson 5


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Section 1: Prime Factor Trees and the GCF

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Unit 6: Common Factors and Number Patterns  Lesson 6


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Section 1: More Practice With Prime Factor Trees and the GCF

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Section 2: Making Congruent Shapes

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Unit 6: Common Factors and Number Patterns  Lesson 7


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Section 1: Even and Odd Numbers

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Section 2: Similarity

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Unit 6: Common Factors and Number Patterns  Lesson 8


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Section 1: Square Numbers

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Section 2: The Geometry of Square Numbers

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Unit 6: Common Factors and Number Patterns  Lesson 9


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Section 1: Square Numbers and Odd Numbers

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Section 2: Expanding and Contracting Triangles

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Unit 7: More Number Patterns and Common Multiples  Lesson 1


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Section 1: Triangular Numbers

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Section 2: Tangrams

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Unit 7: More Number Patterns and Common Multiples  Lesson 2


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Section 1: Exponents

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Section 2: More Tangrams

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Unit 7: More Number Patterns and Common Multiples  Lesson 3


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Section 1: Patterns With Exponents

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Section 2: Translations, Reflections, and Rotations

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Unit 7: More Number Patterns and Common Multiples  Lesson 4


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Section 1: More Exponent Patterns

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Section 2: Symmetry

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Unit 7: More Number Patterns and Common Multiples  Lesson 5


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Section 1: Common Multiples

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Unit 7: More Number Patterns and Common Multiples  Lesson 6


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Section 1: Least Common Multiple (LCM)

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Section 2: Symmetry and Mobiles

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Unit 7: More Number Patterns and Common Multiples  Lesson 7


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Section 1: Creating Mobiles

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Unit 7: More Number Patterns and Common Multiples  Lesson 8


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Section 1: Applications of LCM

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Section 2: Rotational Symmetry

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Unit 7: More Number Patterns and Common Multiples  Lesson 9


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Section 1: Properties of Numbers

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Section 2: More Rotational Symmetry

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Unit 8: Concepts of Fractions  Lesson 1


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Section 1: Fractional Parts on a Number Line

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Section 2: Finding Averages

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Unit 8: Concepts of Fractions  Lesson 2


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Section 1: Fractional and Decimal Parts Between 0 and 1

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Section 2: Estimating Averages

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Unit 8: Concepts of Fractions  Lesson 3


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Section 1: Fair Shares

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Section 2: Computing the Mean and Range

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Unit 8: Concepts of Fractions  Lesson 4


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Section 1: Numerator and Denominator

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Section 2: The Median in Data

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Unit 8: Concepts of Fractions  Lesson 5


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Section 1: Outliers in Data

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Unit 8: Concepts of Fractions  Lesson 6


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Section 1: Fractions Equal To, Less Than, and Greater Than 1

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Section 2: Comparing Tables of Data

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Unit 8: Concepts of Fractions  Lesson 7


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Section 1: Estimating Fractional Parts

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Section 2: Comparing Data in Tables

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Unit 8: Concepts of Fractions  Lesson 8


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Section 1: Surveying Students  Fractions and Statistics

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Section 2: StemandLeaf Plots

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Unit 8: Concepts of Fractions  Lesson 9


Apps 
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Section 1: Estimating Fractional Parts on a Number Line

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Section 2: Creating StemandLeaf Plots

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Unit 8: Concepts of Fractions  Lesson 10


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Section 1: Comparing Fractions: Which One Is Bigger?

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Unit 8: Concepts of Fractions  Lesson 11


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Section 1: Fraction Bars

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Section 2: Finding the Median on a StemandLeaf Plot

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Unit 8: Concepts of Fractions  Lesson 12


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Section 1: Equivalent Fractions

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Section 2: Line Plots

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Unit 8: Concepts of Fractions  Lesson 13


Apps 
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Section 1: Identifying Equivalent Fractions

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Unit 8: Concepts of Fractions  Lesson 14


Apps 
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Section 1: Fraction Bars and the Number Line

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Section 2: Means, Medians, and Line Plots

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Unit 9: Adding and Subtracting Fractions  Lesson 1


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Section 1: Same Denominator

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Section 2: Everyday Measurements

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Unit 9: Adding and Subtracting Fractions  Lesson 2


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Section 1: Working With Fractions Greater Than 1

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Section 2: Measuring Time

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Unit 9: Adding and Subtracting Fractions  Lesson 3


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Section 1: More With Division of Fractions

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Section 2: More With Converting Units

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Unit 9: Adding and Subtracting Fractions  Lesson 4


Apps 
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Section 1: Common Denominators

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Section 2: Measuring Dry Weight

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Unit 9: Adding and Subtracting Fractions  Lesson 5


Apps 
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Section 1: Using More Than One Table of Information

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Unit 9: Adding and Subtracting Fractions  Lesson 6


Apps 
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Practice Now 
Section 1: Multiplying Fractions by 1

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Section 2: More Measuring Using Two Tables

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Unit 9: Adding and Subtracting Fractions  Lesson 7


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Section 1: Fractions on the Ruler

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Section 2: Fractions and Line Plots

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Unit 9: Adding and Subtracting Fractions  Lesson 8


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Section 1: Finding Common Denominators for Two Fractions

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Section 2: More Fractions and Line Plots

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Unit 9: Adding and Subtracting Fractions  Lesson 9


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Section 1: Write a Word Problem Using Common Conversions

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