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Math Β· Grade 5 Math Β· Unit 4

Unit 4: Wrapping Up Multiplication and Division with Multi-digit Numbers

Students use the standard algorithm to multiply multi-digit whole numbers. They divide whole numbers up to four digits by two-digit divisors, using strategies based on place value and the properties of operations.

Worksheets

Every sheet has an answer key. Free to print, no login.

What this unit covers

A Multi-digit Multiplication Using the Standard Algorithm Β· 8 lessons
Goals
  • Multiply multi-digit whole numbers, using the standard algorithm.
Lessons
  1. Estimate and Find Products
  2. Partial Products in Diagrams
  3. Partial Products in Algorithms
  4. Standard Algorithm: One-digit and Multi-digit Numbers, with Composing
  5. Standard Algorithm: Multi-digit Numbers, without Composing
  6. Standard Algorithm: Multi-digit Numbers, with Composing
  7. Build Multiplication Fluency
  8. The Birds
B Multi-digit Division Using Partial Quotients Β· 8 lessons
Goals
  • Divide multi-digit whole numbers, using strategies based on place value, the properties of operations, and the relationship between multiplication and division.
Lessons
  1. World’s Record Folk Dance
  2. Different Partial Quotients
  3. A Partial-Quotients Algorithm
  4. Divide, Using Partial Quotients
  5. Practice a Partial-Quotients Algorithm
  6. Find Unknown Side Lengths
  7. World’s Record Noodle Soup
  8. Fractions as Partial Quotients (Optional)
C Let’s Put It to Work Β· 4 lessons
Goals
  • Multiply and divide to solve real-world and mathematical problems involving area and volume.
Lessons
  1. A Lot of Milk
  2. Trash Talk
  3. Shipping Trash
  4. Food-Waste Journal (Optional)

Helpful to know first

The curriculum says this unit builds on these.

Grade 4 Math Β· Unit 6 Multiplying and Dividing Multi-digit Numbers
Grade 5 Math Β· Unit 1 Finding Volume
← Unit 3 See the whole map Unit 5 →

Adapted from the Illustrative Mathematics curriculum (v.360), licensed CC BY-NC 4.0. Β© Illustrative Mathematics.