Grade 5 Unit 4
Lesson 1: Estimate and Find Products
CC BY 2021 Illustrative Mathematics®
Grade 5 Unit 4
Lesson 1: Estimate and Find Products
CC BY 2021 Illustrative Mathematics®
Find the value of each product mentally.
Which estimate for the product 18 x 149 is most reasonable?
Explain or show your reasoning.
Are any of the estimates unreasonable? Explain or show your reasoning.
Do you think the actual product will be more or less than your estimate? Explain or show your reasoning.
Find the value of each expression. Explain or show your reasoning.
Find the value of each expression. Explain or show your reasoning.