What is the decimal equivalent of $$\frac{1}{2}$$ ?

The decimal equivalent of $$\frac{1}{2}$$ is 0.5.

What is a rational number?

A rational number is any number that can be expressed as a fraction $$\frac{a}{b}$$ , where a and b are integers and b is not zero.

Is $$\frac{9}{100}$$ a rational number?

Yes, $$\frac{9}{100}$$ is a rational number because it can be expressed as a fraction.

What is the square root of 16?

The square root of 16 is 4, which is a rational number.

What type of number is pi (π)?

Pi (π) is an example of an irrational number.

How do you express 9% as a fraction?

9% can be expressed as $$\frac{9}{100}$$ .

What is the decimal representation of 0.25?

The decimal representation of 0.25 is 25%.

What is the difference between rational and irrational numbers?

Rational numbers can be expressed as fractions, while irrational numbers cannot be expressed as fractions and have non-repeating, non-terminating decimal expansions.

What is the decimal equivalent of $$\frac{3}{4}$$ ?

The decimal equivalent of $$\frac{3}{4}$$ is 0.75.

The Real Number System Flashcards

Student preview

15 questions

Show all answers

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 (like pi and the square root of 2).

2.

FLASHCARD QUESTION

Front

How is a percentage expressed as a decimal?

Back

To convert a percentage to a decimal, divide by 100. For example, 9% as a decimal is 0.09.

3.

FLASHCARD QUESTION

Front

What is an irrational number?

Back

An irrational number is a number that cannot be expressed as a simple fraction. Its decimal representation goes on forever without repeating.

4.

FLASHCARD QUESTION

Front

Give an example of an irrational number.

Back

5.

FLASHCARD QUESTION

Front

Back

6.

FLASHCARD QUESTION

Front

How do you convert a fraction to a percentage?

Back

7.

FLASHCARD QUESTION

Front

What is the fraction equivalent of 25%?

Back

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