| Map Quiz 1 for Chapter 18 | strayermapstimelines_ch18_1.html | 55e9c222757a2e8626000001 |
| DLAP questions | strayermapstimelines_ch18_1_dlap.xml | 55e9c222757a2e8626000001 |
| Map Quiz 2 for Chapter 18 | strayermapstimelines_ch18_2.html | 55e9c222757a2e8626000001 |
| DLAP questions | strayermapstimelines_ch18_2_dlap.xml | 55e9c222757a2e8626000001 |
| Timeline Activity for Chapter 18 | strayermapstimelines_ch18_3.html | 55e9c222757a2e8626000001 |
| DLAP questions | strayermapstimelines_ch18_3_dlap.xml | 55e9c222757a2e8626000001 |