irrational numbers
Goes on forever never repeatingNon-perfect cubesCannot be written as a ratio or fraction
Square root of 9
3 or -3
-1
Integer, real number, rational
pi
irrational
Square root of 25
5 OR -5
Square root of 4
2 or -2
Rational numbers
Repeating, terminating and able to write in fraction form.
275
Natural, whole, integers, rational
Whole Numbers
Whole numbers are the natural numbers and zero
Square root of 16
4
Square root of 100
10 or -10
Square root of 64
8 or -8
Square root of 49
7 or -7
Square root of 81
9 or -9
Square root of 36
6 or -6
Integers
Whole numbers and their opposites/negative
Natural numbers
The set of numbers 1, 2, 3, 4, ... Also called counting numbers.
Square root of 64
8 or -8
Real number
All rational and irrational numbers