You must offer these in addition to the burnt offering in the morning which is for a continual burnt offering.
Referenced Verses
Num 28:3 : 3 You will say to them,‘This is the offering made by fire which you must offer to the LORD: two unblemished lambs one year old each day for a continual burnt offering.
Num 28:10 : 10 This is the burnt offering for every Sabbath, besides the continual burnt offering and its drink offering.