Exponents
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Lesson Summary:
In this lesson, Mr. Perez introduces exponents and walks through how to evaluate expressions with exponents. He defines the base and exponent and uses kung fu to simplify multiplication. He provides examples of evaluating expressions with both positive and negative bases, including fractions and decimals. He also emphasizes the importance of properly interpreting the language of math when working with exponents.
Lesson Description:
An introduction to exponents and how to evaluate expressions with exponents.
Created by and copyright of Larry Perez. Funded by the state of California through Saddleback College. More information on videos, resources, and lessons at Algebra2Go.
Questions answered by this video:
- What is an exponent?
- What does 3^4 mean and what does it equal?
- What does 2^3 equal?
- How do you evaluate (-2)^4?
- How is (-2)^4 different from -2^4?
- Why does -2^4 equal -16?
- How do you raise fractions to exponents?
- What does (3/2)^3 equal?
- How do you evaluate -(1/2)^2?
- How do you raise decimals to exponents?
- What does (0.3)^2 equal?
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Staff Review
This is a great review of exponents and how to compute expressions with exponents. Several example problems are shown, and the concept of what an exponent means is explained.
