Chapter 1: Numbers to 10,000


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Lesson 1: Counting

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Lesson 2: Place Value

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Lesson 3: Comparing and Ordering Numbers

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Chapter 2: Mental Math and Estimation


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Lesson 1: Mental Addition

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Lesson 2: Mental Subtraction

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Lesson 3: More Mental Addition

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Lesson 4: Rounding Numbers to Estimate

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Lesson 5: Using FrontEnd Estimation

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Chapter 3: Addition up to 10,000


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Lesson 1: Addition Without Regrouping

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Lesson 2: Addition with Regrouping in Hundreds

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Lesson 3: Addition with Regrouping in Ones, Tens, and Hundreds

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Chapter 4: Subtraction up to 10,000


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Lesson 1: Subtraction Without Regrouping

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Lesson 2: Subtraction with Regrouping in Hundreds and Thousands

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Lesson 3: Subtraction with Regrouping in Ones, Tens, Hundreds, and Thousands

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Lesson 4: Subtraction Across Zeros

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Chapter 5: Using Bar Models: Addition and Subtraction


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Lesson 1: RealWorld Problems: Addition and Subtraction

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Chapter 6: Multiplication Tables of 6, 7, 8, and 9


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Lesson 1: Multiplication Properties

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Lesson 2: Multiply by 6

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Lesson 3: Multiply by 7

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Lesson 4: Multiply by 8

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Lesson 5: Multiply by 9

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Lesson 6: Division: Finding the Number of Items in Each Group

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Lesson 7: Division: Making Equal Groups

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Chapter 7: Multiplication


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Lesson 1: Mental Multiplication

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Lesson 2: Multiplying Without Regrouping

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Lesson 3: Multiplying Ones, Tens, and Hundreds with Regrouping

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Chapter 8: Division


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Lesson 1: Mental Division

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Lesson 2: Quotient and Remainder

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Lesson 3: Odd and Even Numbers

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Lesson 4: Division Without Remainder and Regrouping

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Lesson 5: Division With Regrouping in Tens and Ones

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Chapter 9: Using Bar Models: Multiplication and Division


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Lesson 1: RealWorld Problems: Multiplication

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Lesson 2: RealWorld Problems: Twostep

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Lesson 3: RealWorld Problems: Division

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Lesson 4: RealWorld Problems: Twostep

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