Exodus 16:5
On the sixth day, when they prepare what they bring in, it will be twice as much as they gather daily."
Exodus 16:22-23
On the sixth day they gathered twice as much bread, two omers each. And when all the leaders of the congregation came and told Moses,
Exodus 35:2-3
Six days work shall be done, but on the seventh day you shall have a Sabbath of solemn rest, holy to the LORD. Whoever does any work on it shall be put to death.
Leviticus 25:21-22
I will command my blessing on you in the sixth year, so that it will produce a crop sufficient for three years.