This is a complete unit to teach Third Grade Common Core Math Standard 3.MD.1 Solving Elapsed Time Word Problems. This is a 12 day unit that includes lesson plans, a student book, student homework and student tests. This unit has almost everything you need to teach this standard. You will need individual student clocks for lesson 1. Lesson 1 teaches how to tell time to the minute. Lessons 2-8 teach students how to solve elapsed time word problems using hours, 5 minutes and minutes. Lessons