###Where can I find this?
The key skills for this lesson are in [Lesson 17 in Unit 2](/math/4th-grade-math-eureka-squared-aligned/xd5a595fd66fde545:place-value-concepts-for-multiplication-and-division/xd5a595fd66fde545:express-measurements-of-length-in-terms-of-smaller-units/v/us-customary-distance). We’ve put them all in one place to make it easier for you to learn.