2-D measurement, 2-D geometry (including angles), 3-D geometry, surface area, and volume.
| Feature | Physical Textbook | PDF Version | | :--- | :--- | :--- | | | None | High (screen fatigue) | | Scratch Work | Write in margins | Requires second device/paper | | Searching | Use Table of Contents/Index | Instant (Ctrl+F) | | Weight | Heavy (4+ lbs) | Zero (Cloud) | | Distractions | Low | High (Other tabs/notifications) | Grade 7 Math Textbook Nelson.pdf