Teachers, save “Open Number Line” to assign it to your class.

1. Watch the video on how open number lines can help you add and subtract 2. Show "Jumps" and "Hops" when you show your work. 3. "Jumps" move by 10s. 4. "Hops" move by 1s. 5. Make sure you show your work similar to how it showed you in the video.