Contents

1. Illustrative Math Grade 4 Student Workbook Unit 9.pdf
   1. Blank Page
2. LZ Grade4-9-Unit-student-workbook.pdf
   1. Section A: Reason with Fractions
   2. Lesson 1: Add, Subtract, and Multiply Fractions
      1. Warm-up: Number Talk: Fluency and Fractions
      2. 1.1: Let’s Make Head Wraps!
      3. 1.2: Make 2 Yards of Fabric
      4. 1.3: Play by the Rules
   3. Lesson 2: Sums and Differences of Fractions
      1. Warm-up: Number Talk: Wholes and Units
      2. 2.1: Straws for A Roller Coaster
      3. 2.2: Tall Enough for a Ride?
   4. Lesson 3: Stories with Fractions
      1. Warm-up: Number Talk: One Whole, Many Names
      2. 3.1: Relay Race at Recess
      3. 3.2: You Be the Author
   5. Section B: Whole-number Operations
   6. Lesson 4: Another Look at the Standard Algorithm
      1. Warm-up: Number Talk: Differences
      2. 4.1: Lots of Zeros
      3. 4.2: Ways of Finding Differences
   7. Lesson 5: Multiplication of Multi-digit Numbers
      1. Warm-up: Estimation Exploration: A Silly Riddle
      2. 5.1: Two Methods Revisited
      3. 5.2: Two by Two
   8. Lesson 6: What’s the Quotient?
      1. Warm-up: Number Talk: Divide by 3 and by 6
      2. 6.1: Unfinished Divisions
      3. 6.2: Where Do We Begin?
   9. Section C: Solve Problems with Multiplication and Division
   10. Lesson 7: Solve Multiplicative Comparison Problems
       1. Warm-up: Notice and Wonder: Two Cities
       2. 7.1: The Most and Least Expensive
       3. 7.2: The Cost of Living
   11. Lesson 8: Solve Problems with Multiplication and Division
       1. Warm-up: Number Talk: Divide by 8
       2. 8.1: Two Truths and a Lie, or Two Lies and a Truth?
       3. 8.2: Buses for a Field Trip
   12. Lesson 9: Create Word Problems
       1. Warm-up: Number Talk: Difference and Thousands
       2. 9.1: What’s the Question?
       3. 9.2: What’s the Problem?
   13. Section D: Creation and Design
   14. Lesson 10: Estimation Exploration
       1. Warm-up: Estimation Exploration: No Driver Required
       2. 10.1: Dental Care
       3. 10.2: Get Your Classmates to Estimate
       4. 10.3: Facilitate Your “Estimation Exploration” Activity
   15. Lesson 11: Which One Doesn’t Belong?
       1. Warm-up: Which One Doesn’t Belong: Strings of Numbers
       2. 11.1: Add One That Doesn’t Belong
       3. 11.2: Add Two That Don’t Belong
       4. 11.3: Add Three That Don’t Belong
   16. Lesson 12: Number Talk
       1. Warm-up: Number Talk: A Whole Number and a Fraction
       2. 12.1: Related Numbers, Related Expressions
       3. 12.2: Add One New Expression, Then Two
       4. 12.3: Add Three New Expressions
   17. Glossary
   18. Attributions
       1. Image Attributions
   19. Citations
   20. Notes
   21. Notes