| reading workbooks for 1st grade | 0.98 | 0.9 | 8935 | 31 | 3 |
| 1st grade reading comprehension workbooks | 1.26 | 0.7 | 9568 | 41 | 88 |
| workbooks for 1st grade | 1.08 | 0.6 | 5292 | 23 | 87 |
| writing workbooks for 1st grade | 1.41 | 0.1 | 9088 | 31 | 50 |
| reading work for 1st grade | 0.47 | 0.3 | 597 | 26 | 57 |
| first grade workbooks for 1st graders | 1.19 | 0.2 | 8137 | 37 | 64 |
| workbooks for first grade | 0.08 | 0.2 | 4707 | 25 | 38 |
| workbooks for 1st graders | 1.5 | 0.6 | 2909 | 25 | 29 |
| free 1st grade workbooks | 0.93 | 0.5 | 4594 | 24 | 48 |
| free 1st grade workbooks pdf | 1.14 | 0.8 | 5040 | 28 | 64 |
| reading for first grade worksheets | 1.21 | 1 | 1296 | 34 | 90 |
| free printable 1st grade workbooks | 1.33 | 1 | 4900 | 34 | 43 |
| reading worksheet 1st grade pdf | 1.14 | 0.8 | 4893 | 31 | 20 |
| reading worksheet for first grade | 1.33 | 0.1 | 1894 | 33 | 38 |
| reading 1st grade worksheets pdf | 0.29 | 0.4 | 916 | 32 | 48 |
| workbooks for first graders | 0.42 | 0.2 | 1696 | 27 | 40 |
| first grade workbook pdf | 0.56 | 0.8 | 3977 | 24 | 85 |
| first grade workbook pdf free | 1.47 | 0.6 | 5484 | 29 | 73 |
