Ma9 3.1 Intro to Rationals PDF

Preview

Summary

assignments/homework good for practice...

Description

Math 9

Name _______________________ Block _____ Date _____________

Sec 3.1 – Introduction to Rational Numbers 1. The Real Number System Real Numbers

Irrational Numbers

Rational Numbers

Rational Number (Q) – is any number that can be written in the form,

m , where m and n are both n

integers but __________ Example 1 – Change the following fractions to a decimal and indicate what part of the real number system they belong. 100 1) = 25 2)

− 12 = 2

3)

2 = 3

4)

5 = 8

From this example, we can see that rational numbers include all ______________, ______________, ____________________________, and ____________________________. Your Turn 1 – Classify each rational number. 3 2) –3 3) 1) 4

9

4) 10

Math 9 – Sec 3.1 Introduction to Rational Numbers (page 1 of 4)

5) 

2. Compare and Order Rational Numbers In order to order rational numbers, we need to be able to compare them in decimal form or in fractional form with the same denominator. Example 2 – Use >, ,...