Lesson 1: Factors and Multiples: Launch

Math 10C Module 2 Lesson 1

Module 2: Roots and Powers

Launch

This section checks to see if you have the prerequisite knowledge and skills to be able to complete this lesson successfully.

Are You Ready?

Complete these questions in your course folder (binder). If you are experiencing difficulty, you may want to use the information and the multimedia in the Refresher section to clarify concepts before completing these exercises.

1. Define a natural number.

2. Define a prime number, and list all prime numbers less than 20.

3. What is meant by the factors of a number?

4. What is meant by the multiples of a number?

5. For the number 24, identify the following:

a. its factors

b. its first four multiples

Once you have completed these exercises to the best of your ability, use the provided answer link to check your work.

Answers

If you feel comfortable with the concepts covered in the questions, move forward to Discover. If you experienced difficulties or want more practice, use the resources in Refresher to review these important concepts before continuing through the lesson or contact your teacher.

Refresher

Try the “Prime Number” applet to obtain a definition of prime number. Use the interactive applet to find a four-digit prime number.

Access this “Factor” applet for a definition of factor. You will want to focus on the second definition for factors for natural numbers.

For a more thorough review, watch the interactive piece titled “Multiples, Factors, Primes and Composites” that reviews multiples, factors, and prime numbers. Examine Topics 4, 7, and 10.