Contents

1. Illustrative Math Grade 2 Unit 4 Student Workbook.pdf
   1. Blank Page
2. LZ Grade2-4-Unit-student-workbook.pdf
   1. Section A: The Structure of the Number Line
   2. Lesson 1: Whole Numbers on the Number Line
      1. Warm-up: Notice and Wonder: Rulers and Number Lines
      2. 1.1: What is a Number Line?
      3. 1.2: Make Your Own Number Line
   3. Lesson 2: Features of a Number Line
      1. 2.2: Analyze Number Lines
   4. Lesson 3: Unlabeled Tick Marks
      1. Warm-up: Notice and Wonder: From 0 to 30
      2. 3.1: Locate the Numbers
      3. 3.2: Are You Missing Something?
   5. Lesson 4: Compare Numbers on a Number Line
      1. Warm-up: Number Talk: Subtract Fives
      2. 4.1: Compare the Numbers
      3. 4.2: Compare Larger Numbers
   6. Lesson 5: Estimate on a Number LIne
      1. Warm-up: Estimation Exploration: What Number?
      2. 5.1: Estimate the Numbers
      3. 5.2: Order the Numbers
      4. Section Summary
   7. Lesson 6: Center Day 1
      1. Warm-up: Number Talk: Decompose and Subtract
      2. 6.2: Centers: Choice Time
      3. Section A Practice Problems
   8. Section B: Add and Subtract on a Number Line
   9. Lesson 7: Addition and Subtraction on the Number Line
      1. Warm-up: Notice and Wonder: Jumps on the Number Line
      2. 7.1: Add and Subtract
      3. 7.2: Number Lines and Equations
   10. Lesson 8: Equations on a Number Line
       1. 8.1: Represent Equations
       2. 8.2: Write Equations
   11. Lesson 9: The Difference Between Numbers
       1. Warm-up: Number Talk: Add To
       2. 9.1: Add or Subtract
       3. 9.2: Different Ways to Find the Difference
   12. Lesson 10: Place Value and the Number Line
       1. Warm-up: Notice and Wonder: Base-ten and the Number Line
       2. 10.1: Compare Representations
       3. 10.2: On the Number Line
   13. Lesson 11: Different Ways to Add and Subtract
       1. Warm-up: Number Talk: Use Tens
       2. 11.1: Compare Methods
       3. 11.2: More Methods
   14. Lesson 12: Equations with Unknowns
       1. Warm-up: True or False: Making Tens
       2. 12.1: Number Line Riddles
       3. 12.2: Make the Equations True
   15. Lesson 13: Represent Story Problems
       1. Warm-up: Notice and Wonder: Compare Representations
       2. 13.2: All Kinds of Representations
       3. Section Summary
   16. Lesson 14: Center Day 2
       1. Warm-up: True or False: Is This 50?
       2. 14.2: Centers: Choice Time
   17. Lesson 15: Riddles
       1. Warm-up: Notice and Wonder: Birthday Candles
       2. 15.1: Kiran’s Age Riddles
       3. 15.2: Write Riddles
       4. Section B Practice Problems
   18. Glossary
   19. Attributions
       1. Image Attributions
   20. Notes
   21. Notes