1. Scientific Notation (Get your Bell Work Books) (New Unit #3, Chapter #3)

2. Bell Work
Order Numbers from
LEAST to GREATEST

3. Unit 2 Chapter 3 Real Numbers
Why is it helpful to write numbers in different ways?
Pg. 163

4. P-E-M-D-A-S Please Excuse My Dear Aunt Sally Parentheses Exponents
Multiply
and Divide
Add and
Subtract

5. Are You Ready? Example 1 Example 2 60 Find
Find Prime Factorization of 60
Prime Number - A number whose factors are only 1 and itself. (DO NOT WRITE THE #1)

6. Questions?
Simplify
Prime Factorization

7. Vocabulary Startup Rational Numbers Are…
Numbers that can be written as a comparison of two integers, expressed as a fraction (division)
Rational Numbers
Percent
Decimal
Fraction
Mixed Numbers
19%
.32

8. Lesson #1 Pg. 167 http://www.youtube.com/watch?v=m94WTZP14SA
Rational Numbers
Lesson #1
Pg. 167

9. Real Number System Natural numbers
are the counting numbers: 1, 2, 3, …+∞
Whole numbers
are the natural numbers and zero: 0, 1, 2, 3, …+∞
Integers
are whole numbers and their opposites:
-∞…, –3, –2, –1, 0, 1, 2, 3, …+∞
Rational numbers (Repeating or Terminating decimals)
can be expressed in the form ,
where a and b are both integers and b ≠ 0: , ,
Irrational Numbers
Non-Repeating, Non-Terminating decimals

10. Repeating and Terminating Decimals
The decimal form of a rational number is called a repeating decimal.
If the repeating digit is zero, then the decimal is a terminating decimal.
Rational
Number
Repeating
Decimal
Terminating / Repeating
0.5000…
Terminating
0.4000…
Terminating
0.833…
Repeating

11. Real Number System REAL NUMBERS RATIONAL NUMBERS INTEGERS
IRRATIONAL NUMBERS
INTEGERS
WHOLE NUMBERS
NATURAL NUMBERS

12. Examples
Write 0.45 as a fraction.
Write as a fraction.

13. Examples
Write as a fraction
Write as a fraction.

14. Group 1: pg. 171-172 (1-13, 19) Group 2: pg. 171-172 (1-13, 14-16, 19)
Homework
Group 1: pg (1-13, 19) Group 2: pg (1-13, 14-16, 19)