What is a rational number?

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Flashcard
•
Mathematics
•
1st Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A rational number is a number that can be expressed as a fraction, where both the numerator and the denominator are integers.
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 has a non-repeating, non-terminating decimal expansion.
3.
FLASHCARD QUESTION
Front
What is the area of a square?
Back
The area of a square is calculated by multiplying the length of one side by itself (Area = side × side).
4.
FLASHCARD QUESTION
Front
What is the square root of a number?
Back
The square root of a number is a value that, when multiplied by itself, gives the original number.
5.
FLASHCARD QUESTION
Front
What is the formula for finding the area of a rectangle?
Back
The area of a rectangle is found by multiplying its length by its width (Area = length × width).
6.
FLASHCARD QUESTION
Front
What does it mean for a number to be positive?
Back
A positive number is a number greater than zero.
7.
FLASHCARD QUESTION
Front
What does it mean for a number to be negative?
Back
A negative number is a number less than zero.
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