Classifying Numbers in the Real Number System

Flashcard
•
Mathematics
•
8th - 10th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a rational number?
Back
A rational number is any number that can be expressed as the quotient or fraction of two integers, where the denominator is not zero. Examples include 1/2, -3, and 0.75.
2.
FLASHCARD QUESTION
Front
What is an irrational number?
Back
An irrational number is a number that cannot be expressed as a simple fraction. It cannot be written as a ratio of two integers. Examples include √2, π, and e.
3.
FLASHCARD QUESTION
Front
Classify the number 0.25252525.
Back
Rational
4.
FLASHCARD QUESTION
Front
What is an integer?
Back
An integer is a whole number that can be positive, negative, or zero. Examples include -3, 0, and 7.
5.
FLASHCARD QUESTION
Front
Which of the following is NOT an integer? 9.1, 8/9, -9, -2.3
Back
9.1 and 8/9 are not integers.
6.
FLASHCARD QUESTION
Front
What is a whole number?
Back
A whole number is a non-negative integer, which includes zero. Examples are 0, 1, 2, 3.
7.
FLASHCARD QUESTION
Front
Classify the number -14.
Back
Integer, Real, Rational (but NOT Whole).
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