
The Real Number System
Flashcard
•
Mathematics
•
KG - University
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a Whole Number?
Back
A Whole Number is a non-negative integer, including zero. Examples: 0, 1, 2, 3, ...
2.
FLASHCARD QUESTION
Front
What is a Natural Number?
Back
A Natural Number is a positive integer, starting from 1. Examples: 1, 2, 3, ...
3.
FLASHCARD QUESTION
Front
What is an Integer?
Back
An Integer is a whole number that can be positive, negative, or zero. Examples: -2, -1, 0, 1, 2.
4.
FLASHCARD QUESTION
Front
What is a Rational Number?
Back
A Rational Number is any number that can be expressed as a fraction a/b, where a and b are integers and b is not zero. Examples: 1/2, 3, -4.
5.
FLASHCARD QUESTION
Front
What is a Real Number?
Back
A Real Number includes all the rational and irrational numbers. Examples: 1, -3.5, √2.
6.
FLASHCARD QUESTION
Front
What is an Irrational Number?
Back
An Irrational Number cannot be expressed as a simple fraction. Its decimal form goes on forever without repeating. Examples: π, √2.
7.
FLASHCARD QUESTION
Front
Classify the number 0.5.
Back
0.5 is a Rational Number and a Real Number.
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