Comparing and Ordering Rational and Irrational Numbers
Flashcard
•
Mathematics
•
7th - 9th Grade
•
Practice Problem
•
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.
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.
3.
FLASHCARD QUESTION
Front
How do you find the area of a circle?
Back
The area of a circle is calculated using the formula A = πr², where r is the radius of the circle.
4.
FLASHCARD QUESTION
Front
If the area of a circle is 64π in², what is the radius?
Back
The radius is 8 inches.
5.
FLASHCARD QUESTION
Front
What is the formula for the area of a square?
Back
The area of a square is calculated using the formula A = s², where s is the length of a side.
6.
FLASHCARD QUESTION
Front
If a square has an area of 36 square inches, what is the length of each side?
Back
Each side is 6 inches.
7.
FLASHCARD QUESTION
Front
How do you compare the areas of different shapes?
Back
To compare areas, calculate the area of each shape using the appropriate formula and then compare the numerical values.
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