A. Giving 10% of our income to God's work:

LEV 27:30. And all the tithe of the land, whether of the seed of the land, or of the fruit of the tree, is the LORD's: it is holy unto the LORD.

NUM 18:21. And, behold, I have given the children of Levi all the tenth in Israel for an inheritance, for their service which they serve, even the service of the tabernacle of the congregation.

NUM 18:24. But the tithes of the children of Israel, which they offer as an heave offering unto the LORD, I have given to the Levites to inherit: therefore I have said unto them, Among the children of Israel they shall have no inheritance.

DEU 14:22. Thou shalt truly tithe all the increase of thy seed, that the field bringeth forth year by year.

DEU 12:19. Take heed to thyself that thou forsake not the Levite as long as thou livest upon the earth.

NEH 10:37. And that we should bring the firstfruits of our dough, and our offerings, and the fruit of all manner of trees, of wine and of oil, unto the priests, to the chambers of the house of our God; and the tithes of our ground unto the Levites, that the same Levites might have the tithes in all the cities of our tillage.

NEH 10:38. And the priest the son of Aaron shall be with the Levites, when the Levites take tithes: and the Levites shall bring up the tithe of the tithes unto the house of our God, to the chambers, into the treasure house.

NEH 10:39. For the children of Israel and the children of Levi shall bring the offering of the corn, of the new wine, and the oil, unto the chambers, where are the vessels of the sanctuary, and the priests that minister, and the porters, and the singers: and we will not forsake the house of our God.

B. God will bless us for tithing:

DEU 14:28. At the end of three years thou shalt bring forth all the tithe of thine increase the same year, and shalt lay it up within thy gates:

DEU 14:29. And the Levite, (because he hath no part nor inheritance with thee,) and the stranger, and the fatherless, and the widow, which are within thy gates, shall come, and shall eat and be satisfied; that the LORD thy God may bless thee in all the work of thine hand which thou doest.

PRO 3:9. Honour the LORD with thy substance, and with the firstfruits of all thine increase:

PRO 3:10. So shall thy barns be filled with plenty, and thy presses shall burst out with new wine.

MAL 3:10. Bring ye all the tithes into the storehouse, that there may be meat in mine house, and prove me now herewith, saith the LORD of hosts, if I will not open you the windows of heaven, and pour you out a blessing, that there shall not be room enough to receive it.

MAL 3:8. Will a man rob God? Yet ye have robbed me. But ye say, Wherein have we robbed thee? In tithes and offerings.

MAL 3:9. Ye are cursed with a curse: for ye have robbed me, even this whole nation.

MAL 3:10. Bring ye all the tithes into the storehouse, that there may be meat in mine house, and prove me now herewith, saith the LORD of hosts, if I will not open you the windows of heaven, and pour you out a blessing, that there shall not be room enough to receive it.

MAL 3:11. And I will rebuke the devourer for your sakes, and he shall not destroy the fruits of your ground; neither shall your vine cast her fruit before the time in the field, saith the LORD of hosts.

C. Setting aside our tithe on a frequent basis:

1COR 16:2. Upon the first day of the week let every one of you lay by him in store, as God hath prospered him, that there be no gatherings when I come.

D. Freewill offerings above our 10% titheBelievers encouraged to give for special projects:

EXO 35:5. Take ye from among you an offering unto the LORD: whosoever is of a willing heart, let him bring it, an offering of the LORD; gold, and silver, and brass,

EXO 35:21. And they came, every one whose heart stirred him up, and every one whom his spirit made willing, and they brought the LORD's offering to the work of the tabernacle of the congregation, and for all his service, and for the holy garments.

EXO 35:22. And they came, both men and women, as many as were willing hearted, and brought bracelets, and earrings, and rings, and tablets, all jewels of gold: and every man that offered offered an offering of gold unto the LORD.

2KI 12:4. And Jehoash said to the priests, All the money of the dedicated things that is brought into the house of the LORD, even the money of every one that passeth the account, the money that every man is set at, and all the money that cometh into any man's heart to bring into the house of the LORD,

2KI 12:5. Let the priests take it to them, every man of his acquaintance: and let them repair the breaches of the house, wheresoever any breach shall be found.

2KI 12:9. But Jehoiada the priest took a chest, and bored a hole in the lid of it, and set it beside the altar, on the right side as one cometh into the house of the LORD: and the priests that kept the door put therein all the money that was brought into the house of the LORD.

2KI 12:10. And it was so, when they saw that there was much money in the chest, that the king's scribe and the high priest came up, and they put up in bags, and told the money that was found in the house of the LORD.

2KI 12:11. And they gave the money, being told, into the hands of them that did the work, that had the oversight of the house of the LORD: and they laid it out to the carpenters and builders, that wrought upon the house of the LORD,