1. Lesson 4-1 Pages
Factors and Monomials

2. What you will learn!
How to determine whether one number is a factor of another.
How to determine whether an expression is a monomial.

3. Vocabulary
Factors
Divisible
Monomial

4. What you really need to know!
Two or more numbers that are multiplied to form a product are called factors. Any number is divisible by its factors. The following rules can be used to determine mentally whether a number is divisible by 2, 3, 5, 6, or 10.

5. What you really need to know!
A number is divisible by:
2 if the ones digit is divisible by 2.
3 if the sum of the digits is divisible by 3.
5 if the ones digit is 0 or 5.
6 if the number is divisible by 2 and by 3.
10 if the ones digit is 0.

6. Page
Guided Practice
#’s 4-15

8. Homework: Pages
#’s even
#’s 58-72

12. Page
730
Lesson 4-1