* [[https://docs.google.com/document/d/1PVyOvdmYBNA_eFgKTqADTx10bTWr8X0sJs4Syo9xJwI/edit?tab=t.0|3 and 4 switch circuits]]

* [[https://docs.google.com/document/d/1KAT5jDmpEBJrzW-yLjsvRzGvQ88KJaTB8La__QQ-wOs/edit?usp=sharing |Staircase Switches]]

* [[https://docs.google.com/document/d/1vOlRN2xSh0HeifydomB_Yis2wIQoxG1ieKmz86POHms/edit?usp=sharing | Logic Statements]]

* [[https://docs.google.com/document/d/1Z76T8NczLOG5NHkrGidR8difKjcm5jpvgWif_bf6BW0/edit?tab=t.0 | Matching with PHET]]