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Guides and reflections on tzedakah, Jewish tradition, and meaningful giving, brought to you by 18.fund and the Shabata Demalkata Foundation.

The Meaning of Chai: Why 18 is the Number of Life

Spirituality · May 2026 · 16 min read

Discover the meaning of Chai and why 18 is the number of life in Judaism, the secrets of Gematria, and how it shapes global acts of kindness.

Gematria 101: The Secret Math of Hebrew Letters

Learning · May 2026 · 12 min read

Master Gematria 101. Learn how Hebrew letters act as numbers, what their values mean spiritually, and why the math of the Aleph-Bet matters in tradition.

The Gift of Chai: Why We Give in Multiples of 18

Giving · May 2026 · 14 min read

Explore the ethical and spiritual reasons we give in multiples of 18, the meaning of a Chai donation, and how Tzedakah impacts both giver and receiver.

Chai Traditions: When to Give the Gift of Life

Traditions · May 2026 · 14 min read

When is the best time to give a Chai gift? Explore the traditions of giving in multiples of 18 for Bar Mitzvahs, weddings, healing, and memorials.

What is Tzedakah? More Than Just Charity

Giving · July 2026 · 13 min read

Discover what tzedakah truly means in Judaism, how it differs from charity, and why justice-based giving still shapes Jewish life today.

Rambam's Ladder: The 8 Spiritual Levels of Tzedakah

Giving · July 2026 · 13 min read

Explore Maimonides' eight levels of tzedakah and discover which forms of Jewish giving best protect dignity while building real self sufficiency.

Tzedakah vs. Ma'aser: How Much Should You Give?

Giving · July 2026 · 13 min read

Learn the difference between tzedakah and ma'aser kesafim, how to calculate the traditional tithe, and what Jewish law says about how much you should actually give.

Matan B'seter: The Power of Anonymity

Giving · July 2026 · 13 min read

Discover matan b'seter, the Jewish practice of giving in secret, why it protects recipient dignity, and why anonymous tzedakah ranks among the highest forms of giving.

The Meaning of Chai: Why 18 is the Number of LifeGematria 101: The Secret Math of Hebrew LettersThe Gift of Chai: Why We Give in Multiples of 18Chai Traditions: When to Give the Gift of LifeWhat is Tzedakah? More Than Just CharityRambam's Ladder: The 8 Spiritual Levels of TzedakahTzedakah vs. Ma'aser: How Much Should You Give?Matan B'seter: The Power of Anonymity