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About this document
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- Subject
- Mathematics
This document discusses the main differences among integers, rational numbers, real numbers, and irrational numbers. It explains how these are used in everyday life and how to explain the use of each to someone who does not know about the differences.
What's inside
- Definition of integers
- Examples of integers
- Differences among number types
- Everyday use of number types
- Explaining number types to others
Who it is for: Students taking a mathematics course. (Undergraduate)
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Summary
Number types are discussed. Students get help with explaining them and their uses.
Integers
Integers are described. Examples are given. The set of integers includes negatives of natural numbers and whole numbers.
Rational Numbers
Rational numbers are defined. Examples are given. The difference between rational and irrational numbers is explained.
Real Numbers
Real numbers are defined. The difference between real numbers and rational numbers is explained. Examples are given.
Irrational Numbers
Irrational numbers are defined. The difference between irrational numbers and rational numbers is explained. Examples are given.
Key terms
- integers
- Whole numbers and their negatives.
- rational numbers
- Numbers that can be written as a fraction.
- real numbers
- All rational and irrational numbers.
- irrational numbers
- Numbers that cannot be written as a fraction.
- natural numbers
- Positive whole numbers.
- whole numbers
- Positive whole numbers and zero.
Questions this document helps with
- What are the differences among integers, rational numbers, real numbers and irrational numbers?
- How are these number types used in everyday life?
- How would you explain the use of each number type to someone who did not know about the differences?
Summary written with AI from the document's text.
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