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This online resource discusses the distribution of earth's water.

Use the dynamic worksheet to practice simplifying expressions with fractional exponents, rewriting them as radicals.

This YouTube video will guide you through a fun activity where you will draw the earth's continents and oceans.

In this online lesson you will learn how to compare measurements that have different units.

In this unit you will learn how to convert between common metric units of measure.

In this section, you will:

• Evaluate square roots.
• Use the product rule to simplify square roots.
• Use the quotient rule to simplify square roots.
• Add and subtract square roots.
• Rationalize denominators.
• Use rational roots.

By the end of this unit you will be able to:

• Use a ruler and protractor accurately
• Understand the SI system of measurement
• Convert between different units

This online resource discusses the importance of the ocean, the layers and composition of the ocean and how it moderates climates.

Exercises requiring expressions to be re-written in 'Simple Radical Form'.