**Agenda:**

-Return & review quiz 5

-Begin Chapter 6 ( Rational Numbers )

-Today: Sec. 6.1

-Tomorrow: Sec. 6.2

Homework, Sec. 6.1:

1, 2, 3, 4, 7, 13, 14

Estimate: 15 -16, 17 -18

19, 20, 24, 26, 27

**Sec. 6.1 Rational Number Ideas **

We commonly refer to situations like :

1/4 of a pizza...

3/4 of Americans surveyed...

15% of college students...

These are examples of rational numbers, which are

simply quotients a / b of two integers , where b ≠ 0.

When you think of rational numbers, you should

think of a part & a whole.

Shade the given fraction of the whole .

The fraction is shown. What is the whole?

** Equivalent fractions **

**Example:**

1. Use the Fundamental Law of Fractions (if

possible) to change each rational number into

decimal form .

2. Estimate the location of each of the fractions

above on the number line .

**Fractions and Decimals**

a) The number 12.76 is a rational number... why?

b) Write 12.76 in expanded notation .

**Ex press in decimal form:**

Claim: Every rational number can be expressed

as a terminating or repeating decimal.