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.
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A Multi-digit Multiplication Using the Standard Algorithm · 8 lessons
Goals
Multiply multi-digit whole numbers, using the standard algorithm.
Lessons
Estimate and Find Products
Partial Products in Diagrams
Partial Products in Algorithms
Standard Algorithm: One-digit and Multi-digit Numbers, with Composing
Standard Algorithm: Multi-digit Numbers, without Composing
Standard Algorithm: Multi-digit Numbers, with Composing
Build Multiplication Fluency
The Birds
B Multi-digit Division Using Partial Quotients · 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
World’s Record Folk Dance
Different Partial Quotients
A Partial-Quotients Algorithm
Divide, Using Partial Quotients
Practice a Partial-Quotients Algorithm
Find Unknown Side Lengths
World’s Record Noodle Soup
Fractions as Partial Quotients (Optional)
C Let’s Put It to Work · 4 lessons
Goals
Multiply and divide to solve real-world and mathematical problems involving area and volume.
Lessons
A Lot of Milk
Trash Talk
Shipping Trash
Food-Waste Journal (Optional)
Helpful to know first
The curriculum says this unit builds on these.
Grade 4 Math · Unit 6Multiplying and Dividing Multi-digit Numbers