Grade 5 Unit 4
Lesson 8: Multiplication Fluency
CC BY 2021 Illustrative Mathematics®
Grade 5 Unit 4
Lesson 8: Multiplication Fluency
CC BY 2021 Illustrative Mathematics®
Find the value of each expression mentally.
Using the digits 3, 5, 6, 8, and 9 make a product whose value is close to 50,000.
Using the digits 3, 5, 6, 8, and 9 make a product whose value is close to 20,000.
Describe something you really understand well from this section on multiplying multi-digit numbers, or describe something that was confusing or challenging.