Contents

1. Illustrative Math Grade 4 Student Workbook Unit 4.pdf
   1. Blank Page
2. LZ Grade4-4-Unit-student-workbook.pdf
   1. Section A: Decimals with Tenths and Hundredths
   2. Lesson 1: Decimal Numbers
      1. Warm-up: Notice and Wonder: Shaded Grid
      2. 1.1: Shady Fractions
      3. 1.2: Ways to Express a Number
   3. Lesson 2: Equivalent Decimals
      1. Warm-up: True or False: Equivalent Fractions
      2. 2.1: Card Sort: Diagrams of Fractions and Decimals
      3. 2.2: True or Not True?
   4. Lesson 3: Decimals on Number Lines
      1. Warm-up: Which One Doesn’t Belong: Decimals and Fractions
      2. 3.1: Points on Number Lines
      3. 3.2: Decimals Compared
   5. Lesson 4: Compare and Order Decimals
      1. Warm-up: Estimation Exploration
      2. 4.1: All in Order
      3. 4.2: 400-Meter Dash in a Flash
   6. Lesson 5: Compare and Order Decimals and Fractions
      1. Warm-up: Number Talk: Sums of Fractions
      2. 5.1: Order Once, Order Twice
      3. 5.2: Long Jumps
      4. Section Summary
      5. Section A Practice Problems
   7. Section B: Place-value Relationships through 1,000,000
   8. Lesson 6: How Much is 10,000?
      1. Warm-up: What Do You Know about 1,000?
      2. 6.1: Build Numbers
      3. 6.2: What is 10,000?
   9. Lesson 7: Numbers Within 100,000
      1. 7.1: Count and Write Numbers
      2. 7.2: Many Thousands
   10. Lesson 8: Beyond 100,000
       1. Warm-up: How Many Do You See?
       2. 8.1: Lin’s Representation
       3. 8.2: What Number is Represented?
       4. 8.3: Build Hundred-thousands
   11. Lesson 9: Same Digit, Different Value
       1. Warm-up: True or False: Expanded Expressions
       2. 9.1: Card Sort: Large Numbers
       3. 9.2: Expand Large Numbers
   12. Lesson 10: Ten Times As Much
       1. Warm-up: Number Talk: Related Numbers
       2. 10.1: Alike but Not the Same
       3. 10.2: More and More Money
   13. Lesson 11: Large Numbers on a Number Line
       1. Warm-up: Estimation Exploration: What Number Could This Be?
       2. 11.1: Locate Large Numbers
       3. 11.2: So Many Numbers, So Little Line
       4. Section Summary
       5. Section B Practice Problems
   14. Section C: Compare, Order, and Round
   15. Lesson 12: Compare Multi-digit Numbers
       1. Warm-up: Which One Doesn’t Belong: Friendly Numbers
       2. 12.1: Which is Greater?
       3. 12.2: Incomplete Numbers
       4. 12.3: Is It Possible?
   16. Lesson 13: Order Multi-digit Numbers
       1. Warm-up: True or False: Decomposed Numbers
       2. 13.1: Ways to Compare
       3. 13.2: Video Game Scores
   17. Lesson 14: Multiples of 10,000 and 100,000
       1. 14.1: On Which Line Do They Belong?
       2. 14.2: Closer to Some Multiple
   18. Lesson 15: The Nearest Multiples of 1,000, 10,000, and 100,000
       1. Warm-up: Estimation Exploration: What Could It Be?
       2. 15.1: Closer to This or That?
       3. 15.2: Closer to Which Number?
       4. 15.3: What’s the Nearest Multiple?
   19. Lesson 16: Round Numbers
       1. Warm-up: Number Talk: Missing Numbers
       2. 16.1: Round to What?
       3. 16.2: Some Numbers to Round
       4. 16.3: Rounded Populations
   20. Lesson 17: Apply Rounding
       1. Warm-up: Notice and Wonder: Plane Altitudes
       2. 17.1: Apart in the Air
       3. 17.2: Safe or Unsafe?
       4. 17.3: No-phone Zone?
       5. Section Summary
       6. Section C Practice Problems
   21. Section D: Add and Subtract
   22. Lesson 18: Standard Algorithm to Add and Subtract
       1. Warm-up: Estimation Exploration: What’s the Difference?
       2. 18.1: Weekly Steps
       3. 18.2: Steps During the Weekend
   23. Lesson 19: Compose and Decompose to Add and Subtract
       1. Warm-up: Number Talk: Subtract Fractions
       2. 19.1: Find and Check Sums
       3. 19.2: Priya’s Family Heirlooms
   24. Lesson 20: Add and Subtract Within 1,000,000
       1. Warm-up: Notice and Wonder: Subtracting Tens of Thousands
       2. 20.1: Add and Subtract Large Numbers
       3. 20.2: Spot Errors
   25. Lesson 21: Zeros in the Standard Algorithm
       1. Warm-up: Which One Doesn’t Belong: Numbers with 0, 2, and 5
       2. 21.1: What If There is Nothing to Decompose?
       3. 21.2: What is Your Age?
   26. Lesson 22: Solve Problems Involving Large Numbers
       1. Warm-up: True or False: Sums and Differences
       2. 22.1: The Fundraiser
       3. 22.2: The Least and the Greatest of Them All
       4. Section Summary
   27. Lesson 23: Bees are Buzzing
       1. Warm-up: Estimation Exploration: Bees
       2. 23.1: Termites, Ants, and Bees
       3. 23.2: Bee Population
       4. Section D Practice Problems
   28. Glossary
   29. Attributions
       1. Image Attributions
   30. Citations
   31. Notes
   32. Notes