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| Unit 1: Coins, Number Strings, and Story Problems |
| Session 1.1: Today’s Number |
| Session 1.2: Counting Cubes and Pattern Blocks |
| Session 1.3: Quick Images |
| Session 1.4: The 100 Chart |
| Session 1.5: How Many Pennies? |
| Session 1.6: Telling Time |
| Session 2.1: Revisiting Today’s Number |
| Session 2.2: Five-in-a-Row with Four Cards |
| Session 2.3: Does Order Matter? |
| Session 2.4: How Many Pockets? |
| Session 2.5: Addition Facts |
| Session 2.6: Five-in-a-Row: Subtraction with Three Cubes |
| Session 2.7: Quick Images: Ten Frames |
| Session 2.8: Number Strings |
| Session 3.1: Introducing Enough for the Class? Problems |
| Session 3.2: Subtraction Facts |
| Session 3.3: Collect 50¢ |
| Session 3.4: Comparing Two Numbers |
| Session 3.5: Groups of 2, 5, and 10 |
| Session 3.6: Tens and Ones |
| Session 3.7: Enough for the Class? |
| Session 4.1: Introducing Story Problems |
| Session 4.2: Strategies for Solving a Subtraction Story Problem |
| Session 4.3: Strategies for Solving an Addition Story Problem |
| Session 4.4: Strategies for Subtracting |
| Session 4.5: Solving Story Problems |
| Unit 2: Attributes of Shapes and Parts of a Whole |
| Session 1.1: Describing and Drawing 2-D and 3-D Shapes |
| Session 1.2: Geoblock Faces |
| Session 1.3: Sorting 3-D Shapes |
| Session 1.4: Trace a Face |
| Session 1.5: Attributes of 3-D Shapes |
| Session 2.1: Sorting Polygons by Number of Sides |
| Session 2.2: Sorting Quadrilaterals |
| Session 2.3: Describing and Building Rectangles |
| Session 2.4: Rectangles on the Geoboard |
| Session 2.5: Tiles: How Many Rectangles? |
| Session 2.6: Is It a Rectangle? |
| Session 3.1: What is a Half? |
| Session 3.2: Can Halves Look Different? |
| Session 3.3: Halves of Blocks and Rectangles |
| Session 3.4: Fourths of a Square |
| Session 3.5: Thirds of a Flag |
| Session 3.6: Fraction Flags |
| Session 3.7: Fraction Flag Posters |
| Session 3.8: Identifying Equal Parts of a Whole and Is It One Third? |
| Unit 3: How Many Stickers? How Many Cents? |
| Session 1.1: Sticker Station |
| Session 1.2: Making Numbers with Strips and Singles |
| Session 1.3: Making Numbers with Dimes and Pennies |
| Session 1.4: Roll-a-Square |
| Session 1.5: Sticker Books |
| Session 1.6: Making Numbers with Tens and Ones |
| Session 1.7: Story Problems about Roll-a-Square |
| Session 1.8: How Many of Each? and How Many More? |
| Session 2.1: Close to 20 |
| Session 2.2: Near-Doubles |
| Session 2.3: Story Problems with Stickers |
| Session 2.4: More Story Problems with Stickers |
| Session 2.5: Get to 100 |
| Session 2.6: 23 Stickers Plus 37 Stickers |
| Session 2.7: Collect $1.00 |
| Session 2.8: Strategies for Subtracting |
| Session 2.9: Spend a Dollar |
| Session 3.1: Problems with Unknown Change |
| Session 3.2: 10 Tens Is 100 |
| Session 3.3: Numbers to 500 |
| Session 3.4: Problems with Start Unknown |
| Session 3.5: Plus or Minus 10: Five-in-a-Row |
| Session 3.6: A Problem about an Unknown Start |
| Session 3.7: Story Problems with an Unknown Change or an Unknown Start |
| Unit 4: Pockets, Teeth, and Guess My Rule |
| Session 1.1: Guess My Rule and Picture Graphs |
| Session 1.2: Yekttis: Identifying Attributes and Categories |
| Session 1.3: Yekttis: Representing Data with Shared Attributes |
| Session 1.4: Using Bar Graphs |
| Session 1.5: Representing Data about Favorite Weekend Activities |
| Session 1.6: Organizing and Representing Food Data |
| Sessions 2.1 to 2.6 |
| Unit 5: How Many Tens? How Many Hundreds? |
| Session 1.1: Plus 9 or Minus 9 Bingo |
| Session 1.2: Capture 5: Adding and Subtracting Tens and Ones |
| Session 1.3: How Many Stickers? How Many More to Get 100? |
| Session 1.4: Make a Dollar |
| Session 1.5: How Much to $1.00? How Much to 100? |
| Session 1.6: How Much More to $1.00? |
| Session 2.1: Close to 100 |
| Session 2.2: Numbers to 1,000 |
| Session 2.3: Stickers: Hundreds, Tens, and Ones |
| Session 2.4: Plus or Minus 10 or 100 |
| Session 2.5: What Do You Know about 345? |
| Session 2.6: Ten Hundreds Make One Thousand |
| Session 3.1: Strategies for Addition |
| Session 3.2: Comparison Problems with the Bigger Amount Unknown |
| Session 3.3: Capture 5 in the 1,000 Book |
| Session 3.4: Adding Tens and Ones |
| Session 3.5: Adding One Number on in Parts |
| Session 3.6: Enough for the Grade? |
| Session 3.7: Fluency with Addition |
| Session 3.8: Adding within 100, Counting within 1,000 |
| Unit 6: How Far Can You Jump? |
| Session 1.1: How Far Can You Jump?: Measuring with Different Units |
| Session 1.2: Comparing Longest and Shortest Jumps |
| Session 1.3: Comparing All of Our Jumps |
| Session 1.4: The Land of Inch |
| Session 1.5: Measuring with the Inch-Brick Tool |
| Session 1.6: A Measurement Disagreement |
| Session 2.1: Rules and Body Benchmarks |
| Session 2.2: Measurement Strategies |
| Session 2.3: Moving to Metric |
| Session 2.4: Measuring with Metric Units |
| Session 2.5: Inches and Centimeters |
| Session 2.6: Measuring and Comparing Lengths |
| Unit 7: Partners, Teams, and Other Groups |
| Session 1.1: Partners and Teams |
| Session 1.2: Defining Even and Odd |
| Session 1.3: Linda and Ebony: Can They Share It Equally? |
| Session 1.4: Is It Even or Odd? |
| Session 2.1: How Many Floors? How Many Rooms? Representing Equal Groups with Arrays |
| Session 2.2: When You Add a Floor, You Add 5 Rooms |
| Session 2.3: Comparing Different Buildings with Same Size Equal Groups |
| Session 2.4: Building with Equal Groups |
| Session 2.5: One Hexagon: How Many Trianges? |
| Session 2.6: Sums of Equal Groups |
| Unit 8: Enough for the Class? Enough for the Grade? |
| Session 1.1: Comparison Problems with the Smaller Amount Unknown |
| Session 1.2: The Remaining Facts |
| Session 1.3: It Only Says Who Has More |
| Session 1.4: Spend $1.00 |
| Session 1.5: Get To 0 |
| Session 1.6: Pinching Paper Clips |
| Session 1.7: Subtracting in Parts |
| Session 1.8: Adding Up or Subtracting Back |
| Session 1.9: Subtraction Strategies |
| Session 1.10: Other Strategies for Subtraction |
| Session 1.11: Paper Clips and Cherries |
| Session 2.1: Adding Hundreds, Tens, and Ones |
| Session 2.2: How Many Pencils? |
| Session 2.3: Enough for the Grade? |
| Session 2.4: Strategies for Adding 3-Digit Numbers |
| Session 2.5: Where Did the Tens and Ones Go? |
| Session 2.6: Subtracting a 3-Digit Number in Parts |
| Session 2.7: Subtracting 3-Digit Numbers: Decomposing a Ten, Decomposing a Hundred |
| Session 2.8: Subtracting 3-Digit Numbers: Decomposing a Hundred and a Ten |
| Session 2.9: Adding and Subtracting 3-Digit Numbers |