This site looks cool - found it in a quick google search for a worksheet to help my kiddos who are still struggling with converting fractions from mixed to improper. Seems like there is a whole bunch of skills here and no sign in required!
There is a book that I am using with my reading group regarding this orphan train...I never heard of it. Breaks my heart - I used a youtube to introduce it to the kids. We are in the process of reading it. Two of my three kids in group are very much enjoying learning about it.
At the beginning of every school year, I always spend the first few days with my fourth grade students discussing our hopes and dreams for the year. This idea is based on the Responsive Classroom approach to developing a positive learning environment with students.
Ship uses SONAR to see ocean floor- NOAA - intensity of echoes - creating detailed maps of the sea floor. Sonar data combined with visible data. Sonar vs. density, etc.