These two -Performance Tasks encompass the same common core learning standards, 6 RP 3c, which are differentiated for your apprentice and for your expert learners. These tasks will help you obtain the data necessary to understand if your students are still struggling or have mastered the content taught.
These are excellent resources to assist you in collecting data so that you may target areas in need. They are also great tools for enrichment especially for those students who "get it".