| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| instructional materials history | 0.81 | 0.7 | 4920 | 2 | 31 |
| instructional | 0.57 | 0.8 | 7511 | 51 | 13 |
| materials | 0.45 | 0.6 | 3565 | 35 | 9 |
| history | 0.93 | 0.2 | 6562 | 9 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| instructional materials history | 0.37 | 0.7 | 7738 | 34 |
