| Waltner, Lance - Sabin MS |
| 2's even sequences descending (21) | | 幻灯片 | 2014.11.05 |
| 2's sequences ascending (21) | | 幻灯片 | 2014.11.04 |
| 2s dots within patterns (31) | | 幻灯片 | 2014.12.08 |
| 2s equations 2 plus x (20) | | 幻灯片 | 2014.11.20 |
| 2s equations x minus 2 (10) | | 幻灯片 | 2014.11.20 |
| 9's on your fingrs both lft and rt (16) | | 幻灯片 | 2015.04.21 |
| 9's on your fingrs lft or rt #1 (16) | | 幻灯片 | 2015.04.21 |
| Dot addition doubles 3's (18) | | 幻灯片 | 2014.10.21 |
| Dot addition doubles 4's (16) | | 幻灯片 | 2014.11.04 |
| Dot addition doubles 5's (24) | | 幻灯片 | 2014.10.21 |
| Dot doubles ii (24) | | 幻灯片 | 2014.12.19 |
| Doubles dot ph2 12-18 (15) | | 幻灯片 | 2015.01.15 |
| Five times multiples of 10 (10) | | 幻灯片 | 2022.12.31 |
| Grouping 3's, 6's, 10's (13) | | 幻灯片 | 2014.10.05 |
| Grouping 3's, 6's, 10's original (7) | | 幻灯片 | 2014.10.16 |
| Grouping by 2's black close (6) | | 幻灯片 | 2014.10.08 |
| Grouping by 2's black spaced original (5) | | 幻灯片 | 2014.10.17 |
| Grouping by 2's colored original (5) | | 幻灯片 | 2015.08.31 |
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