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| Unit 1: Partners and Number Patterns Through 10 |
| Big Idea 1 – Numbers Through 10 |
| 1-1: Discuss Numbers 1-10 |
| 1-2: Visualize Numbers as a 5-Group and Ones |
| Big Idea 2 – Patterns with Partners through 10 |
| 1-3: Partners of 2 through 5 |
| 1-4: Partners of 6 |
| 1-5: Partners of 7 |
| 1-6: Partners of 8 |
| 1-7: Partners of 9 |
| 1-8: Partners of 10 |
| 1-9: Focus on Mathematical Practices |
| Unit 2: Addition and Subtraction Strategies |
| Big Idea 1 – Represent Addition Situations |
| 2-1: Represent Addition |
| 2-2: Addition with Circle Drawings |
| 2-3: Addition Equations |
| 2-4: Addition Equations and Stories |
| Big Idea 2 – Solve Addition Equations |
| 2-5: Explore Solution Methods |
| 2-6: Addition Strategies: Counting On |
| 2-7: Count On from the Greater Number |
| 2-8: Addition Game: Unknown Totals |
| 2-9: Practice Counting On |
| Big Idea 3 – Solve Subtraction Equations |
| 2-10: Represent Subtraction |
| 2-11: Subtraction with Drawings and Equations |
| 2-12: Practice with Subtraction |
| 2-13: Generate Subtraction Problems |
| Big Idea 4 – Equation Exploration |
| 2-14: Relate Addition and Subtraction |
| 2-15: Mixed Practice with Equations |
| 2-16: Focus on Mathematical Practices |
| Unit 3: Unknown Numbers in Addition and Subtraction |
| Big Idea 1 – Counting On with Addition Situations |
| 3-1: Explore Unknowns |
| 3-2: Problems with Unknown Partners |
| 3-3: Solve Equations with Unknown Partners |
| 3-4: Addition Game: Unknown Partners |
| 3-5: Practice with Unknown Partners |
| Big Idea 2 – Counting On with Subtraction Situations |
| 3-6: Subtraction Strategies |
| 3-7: Subtraction Stories and Games |
| 3-8: Practice with Subtraction Stories |
| Big Idea 3 – Mixed Story Problems |
| 3-9: Relate Addition and Subtraction Situations |
| 3-10: Solve Mixed Problems |
| 3-11: Practice with Mixed Problems |
| 3-12: Focus on Mathematical Practices |
| Unit 4: Place Value Concepts |
| Place Value Concepts |
| Big Idea 1 – Tens and Teens |
| 4-1: Introduction to Tens Groupings |
| 4-2: Explore Teen Numbers |
| 4-3: Represent and Compare Teen Numbers |
| 4-4: Visualize Teen Addition |
| 4-5: Teen Addition Strategies |
| 4-6: Investigate Doubles |
| Big Idea 2 – Place Value to 100 |
| 4-7: Understand Tens and Ones |
| 4-8: Integrate Tens and Ones |
| 4-9: Practice Grouping Ones into Tens |
| 4-10: Add with Groups of Ten |
| 4-11: Practice with Tens and Ones |
| 4-12: Use Place Value to Compare Numbers |
| Big Idea 3 – Addition Strategies |
| 4-13: Add Tens or Ones |
| 4-14: Mixed Addition with Tens and Ones |
| 4-15: Counting On Strategy: 2-Digit Numbers |
| 4-17: 2-Digit Addition Games |
| 4-18: Focus on Mathematical Practices |
| Unit 5: Place Value Solutions |
| Big Idea 1 – Teen Solution Methods |
| 5-1: Unknown Partners with Teen Totals |
| 5-2: Subtraction with Teen Numbers |
| 5-3: Mixed Practice with Teen Problems |
| 5-4: Small Group Practice with Teen Problems |
| 5-5: Teen Problems with Various Unknowns |
| 5-6: Problems with Three Addends |
| Big Idea 2 – Find Patterns and Relationships |
| 5-7: Count with Groups of 10 |
| 5-8: Numbers Through 120 |
| 5-9: Add and Subtract Tens |
| 5-10: Add and Subtract Multiples of 10 |
| 5-11: Focus on Mathematical Practices |
| Unit 6: Comparisons and Data |
| Big Idea 1 – Represent and Compare Data |
| 6-1: Explore Representing Data |
| 6-2: Organize Categorical Data |
| 6-3: Use Stair Steps to Represent Data |
| 6-4: Data Sets with Three Categories |
| 6-5: Data Collecting |
| Big Idea 2 – Compare Problem Types |
| 6-6: Introduce Comparison Bars |
| 6-7: Comparison Bars and Comparing Language |
| 6-8: Solve Compare Problems |
| 6-9: Focus on Mathematical Practices |
| Unit 7: Geometry, Measurement, and Equal Shares |
| Big Idea 1 – Tell and Write Time |
| 7-1: Introduction to Time |
| 7-2: Tell and Write Time in Hours |
| 7-3: Time in Our Day |
| 7-4: Tell and Write Time in Half-Hours |
| 7-5: Practice Telling and Writing Time |
| Big Idea 2 – Shapes and Equal Shares |
| 7-6: Squares and Other Rectangles |
| 7-7: Triangles and Circles |
| 7-8: Equal Shares |
| 7-9: Compose 2-Dimensional Shapes |
| 7-10: 3-Dimensional Shapes |
| 7-11: Compose 3-Dimensional Shapes |
| Big Idea 3 – Measure and Order by Length |
| 7-12: Order by Length |
| 7-13: Measure with Length Units |
| 7-14: Focus on Mathematical Practices |
| Unit 8: Two-Digit Addition |
| Big Idea – Add 2-Digit Numbers |
| 8-1: Explore 2-Digit Addition |
| 8-2: Methods of 2-Digit Addition |
| 8-3: Addition of Tens and Ones |
| 8-4: Discuss Solution Methods |
| 8-5: Practice 2-Digit Addition |
| 8-6: Focus on Mathematical Practices |