Lesson 3
1. Lesson 3
1.2. Are You Ready?
Module 5: Rational Expressions
Are You Ready?
Complete the following questions. If you experience difficulty or need help, visit Refresher or contact your teacher.
- Determine the LCM (lowest common multiple) of each set of numbers.
- 4 and 6
- 5 and 6
- 10, 12, and 15
Answers - Add or subtract the following rational numbers. Simplify where possible.
Answers - Add or subtract the following rational numbers. Simplify where possible.
Answers - Evaluate the following expressions. Remember that the order of operations is important, so you may want to work each step out on paper.
- 8 × 16 ÷ 4
- 500 − 10 × 15

Answers
If you answered the Are You Ready? questions without difficulty, move to Discover.
If you found the Are You Ready? questions difficult, complete Refresher.