Teachers, save “Elapsed time” to assign it to your class.

Use mountain (1 hour) , hill( 5 mins, 10 mins, 15 mins or20 mins ) and rock (1 min) to show your thinking for elapsed time. Please choose one of the following times: 1. Start (6:10) End (9:40) 2. Start (9:45) End (11.21) 3. Start (3:25) End (6:30) You can also make your own Start and End time. If you have other ways to show your thinking, please share.