## Math Overview (Scope and Sequence for Third Grade)

*Lessons will follow this order however some lessons may be combined depending on unit.

**Unit 1: Numeration**

1.1- Representing Numbers

1.2- Ways to Name Numbers

1.3- Greater Numbers

1.4- Place Value Relationships

1.5- Comparing Numbers

1.6- Ordering Numbers

1.7- Counting Numbers

1.8- Rounding on the Number Line

1.9- Problem Solving

**Unit 2: Number Sense- Adding and Subtracting Whole Numbers**

2.1- Addition Properties

2.2- Using Mental Math to Add

2.3- Using Mental Math to Subtract

2.4- Estimating Sums

2.5- Estimating Differences

2.6- Relating Addition and Subtraction

2.7- Adding and Subtracting on the Number Line

2.8- Problem Solving

**Unit 3: Developing Proficiency: Adding and Subtracting Whole Numbers**

3.1- Adding with an Expanded Algorithm (Partial Sums)

3.2- Models for Adding 3-Digit Numbers

3.3- Adding 3-Digit Numbers

3.4- Adding 3 or More Numbers

3.5- Subtracting with an Expanded Algorithm

3.6- Models for Subtracting 3-Digit Numbers

3.7- Subtracting 3-Digit Numbers

3.8- Subtracting Across Zeros

3.9- Problem Solving

**Unit 4: Multiplication Meanings**

4.1- Multiplication as Repeated Addition

4.2- Arrays and Multiplication

4.3- Skip Counting on the Number Line

4.4- The Commutative Property

4.5- Writing Multiplication Stories

4.6- Problem Solving

**Unit 5: Multiplication Facts: Use Patterns and Known Facts**

5.1- 2 and 5 as Factors

5.2- 9 as a Factor

5.3- Multiplying with 1 and 0

5.4- Patterns for Facts (2s, 5s, 9s)

5.5- 10 as a Factor

5.6- The Distributive Property

5.7- 3 as a Factor

5.8- 4 as a Factor

5.9- 6 and 7 as Factors

5.10- 8 as a Factor

5.11- Multiplying with Three Factors

5.12- Multiplication Facts

5.13- Problem Solving

**Unit 12: Shapes and Solids**

12.1- Quadrilaterals

12.2- Solid Figures

12.3- Attributes of Shapes

12.4- Sorting Solid Figures

12.5- Problem Solving

**Unit 13: Measurement; Perimeter and Area**

13.1- Understanding Perimeter

13.2- Perimeter of Common Shapes

13.3- Covering Regions

13.4- Area and Units

13.5- Standard Units

13.6- Area of Squares and Rectangles

13.7- Area and the Distributive Property

13.8- Area of Irregular Shapes

13.9- Equal Areas and Fractions

13.10- Problem Solving

**Unit 8: Number Sense; Multiplying 2-Digit by 1-Digit Numbers**

8.2- Breaking Apart to Multiply

8.3- Using Mental Math to Multiply

8.4- Using Rounding to Estimate

8.5- Problem Solving

**Unit 10: Patterns and Equations**

10.1- Understanding Equality

10.2- Using Number Sense to Solve Addition and Subtraction Problems

10.3- Using Number Sense to Solve Multiplication and Division Equations

10.4- Patterns and Tables (In and Tables)

10.5- Problem Solving

**Unit 11: Understanding Fractions**

11.1- Fractions and Regions

11.2- Fractions and Sets

11.3- Representing Fractions on the Number Line

11.4- Locating Fractions on the Number Line

11.5- Fractions and Length

11.6- Breaking Apart Fractions

11.7- Fractions and Division

11.8- Problem Solving- Analyze Given Information

11.9- Using Models to Compare Fractions with the Same Denominator

11.10- Using Models to Compare Fractions with the Same Numerator

11.11- Finding Equivalent Fractions

11.12- Equivalent Fractions on the Number Line

11.13- Problem Solving

**Unit 14: Measurement; Capacity, Weight, Mass, and Time**

14.1- Customary Units of Capacity (pint, gallon, quart, cup)

14.2- Units of Weight (pounds, ounces, tons)

14.3- Measuring Capacity or Weight

14.4- Metric Units of Capacity (liter, ml)

14.5- Units of Mass (gram, mg, kg)

14.6- Elapsed Time

14.7- Solving Problems with Time

14.8- Problem Solving

**Unit 15: Data Analysis**

15.1- Frequency Tables

15.2- Dot Plots

15.3- Reading Pictographs and Bar Graphs

15.4- Making Pictographs

15.5- Making Bar Graphs

15.6- Problem Solving

**Unit 6: Meaning of Division**

6.2- Division as Repeated Subtraction

6.3- Finding Missing Numbers in a Multiplication Table

6.4- Writing Division Stories

6.5- Problem Solving: Strip Diagrams

**Unit 7: Division Facts**

7.1- Relating Multiplication and Division

7.2- Dividing with 2, 3, 4, and 5

7.3- Dividing with 6 and 7

7.4- Dividing with 8 and 9

7.5- Odd Numbers

7.6- Division with 0 and 1

7.7- Multiplication and Division Facts

7.8- Problem Solving: Two Step Problems