Keyword | CPC | PCC | Volume | Score |
---|---|---|---|---|
free online books for 4th graders to read | 1.84 | 0.6 | 5540 | 96 |
free online books for 5th graders to read | 1.52 | 0.8 | 9941 | 30 |
reading books online for free for 4th graders | 1.09 | 1 | 6338 | 53 |
reading books for 5th graders free online | 0.35 | 0.2 | 9041 | 68 |