Algebra 2- 6th Period

Thinking About Numbers:  Natural Numbers, Whole numbers, Integers, Rational and Irrational Numbers

Essential Question:  Why does 9.99999... = 10?

Content Objectives:  The students will be able to...

• Define the sets within the real number system.
• Define closure.
• Determine which sets are closed under the operations of addition, subtraction, multiplication, ,and division.

Language Objective:  The students will be able to explain if a set has closure under a given operation both orally and in written form.

Class Activities for February 16:
Cognitive Tutor (30 minutes)
Journal Entry- Test Talk Quadratics #2
 Notes:  Repeating decimals to fractions  
Skills Practice Thinking about Numbers due Friday