What high leverage strategies are best suited when teaching this concept?
These strategies have not yet been full developed:
Introducing Halves: This Google Slideshow explores cutting rectangles and circles into halves. Students can type into the google slideshow to share their thinking as long as you give them an editable copy. Prior to this, students should have opportunities to explore cutting paper in half in a variety of ways.
Read about the criteria used to select high leverage strategies.