Exodus 12:3
12:3 Tell the whole community of Israel, ‘In the tenth day of this month they each must take a lamb for themselves according to their families – a lamb for each household.
Exodus 29:40
29:40 With the first lamb offer a tenth of an ephah of fine flour mixed with a fourth of a hin of oil from pressed olives, and a fourth of a hin of wine as a drink offering.