Hammurabi is the best known and most celebrated of all Mesopotamian kings. He ruled the Babylonian Empire from 1792-50 B.C.E. Although he was concerned with keeping order in his kingdom, this was not his only reason for compiling the list of laws. When he began ruling the city-state of Babylon, he had control of no more than 50 square miles of territory. As he conquered other city-states and his empire grew, he saw the need to unify the various groups he controlled.

Much of Assyria's history is closely tied to its southern neighbor, Babylonia. The two Mesopotamian empires spoke similar languages and worshipped most of the same gods. They were often rivals on the battlefield for influence in the ancient Middle East.

Rather than destroy local economies for their own selfish gain, the Persians worked to increase trade throughout their kingdom. They standardized weights, developed official coinage, and implemented universal laws.

The Phoenicians lived along the Mediterranean coast in what is now Lebanon. They inhabited a number of different city-states, the most famous of which were Tyre, Byblos, and Sidon. These Phoenician places were often in conflict with each other for domination of the region. Because of this lack of cooperation, the Phoenicians were conquered and forced to pay tribute to the virtually every empire in the region, including the Egyptians, Hittites, Assyrians, Babylonians, Persians, and Greeks.

The Hebrew's early contribution to humankind was not wealthy empires or groundbreaking technology. Rather, it was the revolutionary idea that there was only one god, a belief known as monotheism. This one Hebrew god was called Yahweh. To the Hebrews, Yahweh was all powerful and all knowing, yet beyond human understanding. The religion based around this god influenced the founding of Christianity and Islam.

A man meditating alone in a cave near Mecca received a religious vision. This vision laid the foundations for a new religion. The year was 610 and the man's name was Muhammad.

This unit includes a combination of fourth grade writing and social studies standards. It focuses on research and public discourse.

This is Lesson 3 of The 4th Grade US Geography Social Studies Roadmap "How is this place connected to other places?"

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Now we are ready to ray trace in 3D. We'll look at the problem of ray triangle intersection.

Democracy. Philosophy. Sculpture. Dramatic tragedies. The Olympic Games. Many of the fundamental elements of Western culture first arose more than 2000 years ago in ancient Greece.

This infographic depicts the five components of effective reading instruction: phonemic awareness, phonics, fluency, vocabulary, and reading comprehension. Phonemic awareness, phonics, fluency and vocabulary all build up to reading comprehension, which is the goal of reading.

Now it's your turn to drive. In this video we'll present you with a casting challenge to complete using everything we've learned so far.

Why do we divide the number of combinations by the number of permutations?

This is a task from the Illustrative Mathematics website that is one part of a complete illustration of the standard to which it is aligned. Each task has at least one solution and some commentary that addresses important aspects of the task and its potential use.

This is a task from the Illustrative Mathematics website that is one part of a complete illustration of the standard to which it is aligned. Each task has at least one solution and some commentary that addresses important asects of the task and its potential use. Here are the first few lines of the commentary for this task: Materials The students will need grid paper and colored pencils; some color for the ships and (for example) red for explosions on their ships and their...

This is a task from the Illustrative Mathematics website that is one part of a complete illustration of the standard to which it is aligned. Each task has at least one solution and some commentary that addresses important asects of the task and its potential use. Here are the first few lines of the commentary for this task: Greetings from the Kalahari Desert in South Africa! In this activity, you will learn a lot about the Kalahari’s most playful residents: meerkats. The f...

This is a task from the Illustrative Mathematics website that is one part of a complete illustration of the standard to which it is aligned. Each task has at least one solution and some commentary that addresses important aspects of the task and its potential use.