1. 1.2 Classifying numbers

2. Review Classifying numbers
Counting numbers: 1,2,3,4….. NOT 0
Whole numbers:
Positive numbers
0, 1,2,3,4,5…..
Integers:
Positives and opposites
-3, -2, -1, 0 , 1, 2, 3
Rational numbers:
Fractions and decimals
*repeating and terminating decimals

3. Repeating and terminating decimals
Repeating decimal – always repeats the same numbers over and over Ex
Terminating Decimal – stops Ex

4. What do you notice about the digits after the decimal point in the decimal forms of the fractions?
Are all of these rational numbers?
Consider the decimal ….. Do you think this decimal represents a rational number? Why or why not?
Do you think a negative sign affects whether or not a number is a rational number?
For example Rational or not rational?
Is a mixed number a rational number?

5. Classify your number in the correct category
Rational Numbers
Classify your number in the correct category

8. True or False All integers are rational numbers. True
All integers are whole numbers.
False
Some rational numbers are integers

9. Which set of numbers describes the situation?
The number of bills in a person’s wallet
Temperatures
The number of students in a school
Amount of money in a bank account