Numbers of Beginning Algebra
There are three lessons in this category. Click on the title of your choice.

Lesson 1: The Counting Numbers, Highest Common Factors (HCF), and Least Common Multiples (LCM).
Sample problems taught in this lesson:
a. Write the set of even numbers between 27 and 35.
b. Find the HCF of 32 and 40.
c. Find the LCM of 35 and 50.
Approximate time needed for this lesson: 30 minutes

Lesson 2: The Integers, the Number Line, Prime and Composite Numbers
Sample problems taught in this lesson:
a. Write the set of negative integers between -13 and -6.
b. Find the prime numbers between 10 and 20.
c. Find the composite numbers between 30 and 40.
Approximate time needed for this lesson: 25 minutes

Lesson 3: The Rational Numbers, Equal Rational Numbers, and Simplifying Rational Numbers
Sample problems taught in this lesson:

Approximate time needed for this lesson: 45 minutes