Types of Numbers
Whole numbers from 1 and up. The "Counting Numbers"
Natural Numbers
-|19|
-19
Classify 4.5 in as many categories as possible.
Rational Number and Real Number
What are all of the factors of 12?
1,2,3,4,6,12
Write the integer that represents 4,500 feet below sea level.
-4,500
All whole numbers and their negative counterparts.
Integers
-|2x5|
-10
Classify 1 in as many categories as possible.
Natural, whole, integer, rational, and real
What are all of the factors of 60?
1,2,3,4,5,6,10,12,15,20,30,60
What is the opposite of -350
350
A number with no fractional or decimal point. Cannot be negative.
Whole numbers
|24|+|23-12|-|3|
32
Classify -2 in as many categories as possible.
Integer, rational, real
What are the factors of 3 and of 6?
3: 1,3
6:1,2,3,6
Write the integer that represents a deposit of $560 in your bank account.
560
Any number that can be written as a fraction or ratio.
Rational numbers
(2x4)+7|2|
22
5.678678
Rational and real
What is the greatest common factor between 6 and 27?
6:1,2,3,6
27: 1,3,9,27
GCF: 3
Write the integer that represents a negative electric charge of 250.
-250
A number that cannot be written as a simple fraction, because the decimal goes on forever without repeating or ending.
Irrational Number
-|25x4|+100+|3|
3
Classify 450 in as many categories as possible.
Natural, whole, integer, rational, and real
What is the GCF of 5 and 20?
5:1, 5
20: 1,2,4,5,10,20
GCF:5
Write the integer that represents $45 credit to your account.
45