Summary: My learning object is to find the difference between two points using the phase difference given. I started my Powerpoint off by providing information of what phase and phase difference is and then gave the question.
http://www.slideshare.net/confirm/NzI4MjI3Nzc7NTdiYTcyMjc1ZTYyMDU3NDY0ZTQ1MmZhOGMyZGVlNjg4NDlkNzc4Mw==/