"In Module 4, students learn to multiply fractions and decimal fractions, and begin working with fraction division. Topic A opens the module with an exploration of fractional measurement. Students construct line plots by measuring the same objects using three different rulers accurate to 12 , 14 , and 18 of an inch (5.MD.2)." Eureka Math/EngageNY (c) 2015 GreatMinds.org