Real Number (Flashcard 1)

Real Number (Flashcard 1)

Assessment

Flashcard

Mathematics

9th Grade

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a real number?

Back

A real number is any number that can be found on the number line, including both rational and irrational numbers.

2.

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.

3.

FLASHCARD QUESTION

Front

What are irrational numbers?

Back

Irrational numbers are numbers that cannot be expressed as a simple fraction; they have non-repeating, non-terminating decimal expansions.

4.

FLASHCARD QUESTION

Front

What is the square root of a number?

Back

The square root of a number x is a value that, when multiplied by itself, gives x.

5.

FLASHCARD QUESTION

Front

What is the approximate value of √6?

Back

Approximately 2.45.

6.

FLASHCARD QUESTION

Front

What is the approximate value of √8?

Back

Approximately 2.83.

7.

FLASHCARD QUESTION

Front

How do you round a number to the nearest tenth?

Back

Look at the hundredths place; if it's 5 or more, round up the tenths place by one.

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