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# ZingPath: Numeracy

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## Numeracy

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Algebra-1

### Learning Made Easy

You will determine whether the sums and products of rational and irrational numbers are rational or irrational.

### Now You Know

After completing this tutorial, you will be able to complete the following:

• Explain why the sum or product of two rational numbers is rational.
• Explain why the sum of a rational and irrational number is irrational.
• Explain why the product of a nonzero rational and irrational number is irrational.
• Explain that the sum or product of two irrational numbers might be rational or irrational.

### Tutorial Details

 Approximate Time 2 Minutes Pre-requisite Concepts Students should be able to define rational and irrational numbers and know their decimal representations; and know that integers are closed under addition and multiplication. Course Algebra-1 Type of Tutorial Animation Key Vocabulary irrational number, products, rational numbers