The Real Number System
Flashcard
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the Real Number System?
Back
The Real Number System includes all the numbers that can be found on the number line, including rational numbers (like integers and fractions) and irrational numbers.
2.
FLASHCARD QUESTION
Front
What is a perfect square?
Back
A perfect square is a number that can be expressed as the square of an integer. For example, 81 is a perfect square because it is 9 x 9.
3.
FLASHCARD QUESTION
Front
What is a square root?
Back
A square root is a number that produces a specified quantity when multiplied by itself. For example, the square root of 81 is 9.
4.
FLASHCARD QUESTION
Front
Order the following numbers from least to greatest: -0.8, -0.63, -0.6, -0.72.
Back
-0.8, -0.72, -0.63, -0.6.
5.
FLASHCARD QUESTION
Front
What is an example of an irrational number?
Back
An example of an irrational number is 0.75575557654..., which cannot be expressed as a fraction.
6.
FLASHCARD QUESTION
Front
What is an integer?
Back
An integer is a whole number that can be positive, negative, or zero. For example, -9 is an integer.
7.
FLASHCARD QUESTION
Front
What are rational numbers?
Back
Rational numbers are numbers that can be expressed as a fraction of two integers, where the denominator is not zero.
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