Expose your students to the differences and vocabulary associated with both U.S. Customary Units and Metric Units. Sal defines 14 different terms of measure and then sorts them into two categories. He has numerous small side notes that...

A step-by-step breakdown on how to convert a length in yards to inches. [5:48]

An introductory video introducing the U.S. customary and metric units and which units measure length, mass, and volume. This video also appears in the strand Arithmetic and Pre-Algebra: Ratios and Proportions. [5:10]

This video tutorial explores converting pounds to ounces.