Κύριο περιεχόμενο
Classifying numbers review
Review whole numbers, integers, rational, and irrational numbers. Then, practice identifying each.
Whole numbers
start color #1fab54, start text, W, h, o, l, e, space, n, u, m, b, e, r, s, end text, end color #1fab54 are numbers that do not need to be represented with a fraction or decimal. Also, whole numbers cannot be negative. In other words, whole numbers are the counting numbers and zero.
Examples of whole numbers:
Integers
start color #11accd, start text, I, n, t, e, g, e, r, s, end text, end color #11accd are whole numbers and their opposites. Therefore, integers can be negative.
Examples of integers:
Rational numbers
start color #7854ab, start text, R, a, t, i, o, n, a, l, space, n, u, m, b, e, r, s, end text, end color #7854ab are numbers that can be expressed as a fraction of two integers.
Examples of rational numbers:
Irrational numbers
start color #ca337c, start text, I, r, r, a, t, i, o, n, a, l, space, n, u, m, b, e, r, s, end text, end color #ca337c are numbers that cannot be expressed as a fraction of two integers.
Examples of irrational numbers:
How are the types of number related?
The following diagram shows that all whole numbers are integers, and all integers are rational numbers. Numbers that are not rational are called irrational.
Want to learn more about classifying numbers? Check out this video.
Εξάσκηση
Want to try more problems like this? Check out these exercises:
Classify numbers: rational & irrational
Classifying numbers
Classify numbers: rational & irrational
Classifying numbers
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