Spark Video cannot be Embedded using the free version of WordPress, so the Video needs to be simply linked within your menu. You can make it a drop down menu item if you choose. The instructions will seem a bit confusing, see your instructor for the simple process.
Since Spark is using your portfolio and it’s simplistic to use there will be at least one Formative and one Summative for the two creations. Reminder. The Page should be embedded on your main page or linked from your menu. The Video is to be linked from your menu, most likely as a drop down.