Warm up

Write each question and solve the following problems

· -17 + 25 = 8

·Change 3.459 to a fraction. 3459/1000

·Change 2/3 to a decimal. .666....

·Ms. Catalfumo, Mr. Bertrand, and Ms. Day ordered a pizza. Ms. Catalfumo ate 2/21 of the pie, Bertrand ate 6/7. How much of the pizza is left for Day? simplify answer in fraction form. 1/7

Lundi 30 Aout

1.01 Rational and Irrational Numbers

Questions about the videos

1. What is a rational number?

2.Are whole numbers and integers rational numbers? Why ?

3. Which types of decimals are rationals?

Rational numbers

Definition:

·Numbers that can be expressed as the ratio of 2 integers.·Decimals representation of rational numbers either terminate or repeat

Examples:

Map of the numbers

Are all numbers rational?