Introduction to Exponents

This video tutorial explains how to use exponents to write numerical expressions. It begins by introducing the concept of exponents and their role in simplifying repeated multiplication. The tutorial highlights common mistakes, such as multiplying the base by the exponent, and clarifies the correct usage of exponents. It also distinguishes between expanded and exponential forms, providing examples to illustrate these concepts. By the end of the lesson, viewers will understand how to write numerical expressions using whole number exponents.

What is a numerical expression?

• A sentence with words and numbers

• A combination of numbers and operations

• A paragraph describing a math problem

• A list of numbers without operations

Which of the following is a common mistake when using exponents?

• Subtracting the exponent from the base

• Dividing the base by the exponent

• Adding the base and the exponent

• Multiplying the base by the exponent

How would you express 5 times 5 times 5 using exponents?

• 5 to the second power

• 5 to the third power

• 5 to the fourth power

• 5 to the fifth power

What is the base in the expression 3 to the second power?

• 6

• 5

• 3

• 2

How can you write 2 times 2 times 2 times 2 using exponents?

• 2 to the fifth power

• 2 to the third power

• 2 to the fourth power

• 2 to the second power