Unit 1: Real Number System Review

Unit 1: Real Number System Review

Assessment

Flashcard

Mathematics

8th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the definition of a real number?

Back

A real number is any value that represents a quantity along a continuous line, including all rational and irrational numbers.

2.

FLASHCARD QUESTION

Front

What are rational numbers?

Back

Rational numbers are numbers that can be expressed as the quotient or 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

5.

FLASHCARD QUESTION

Front

How do you find the area of a square?

Back

The area of a square is found by squaring the length of one of its sides. Formula: Area = side × side.

6.

FLASHCARD QUESTION

Front

What is scientific notation?

Back

Scientific notation is a way of expressing numbers that are too large or too small to be conveniently written in decimal form, using powers of ten.

7.

FLASHCARD QUESTION

Front

How do you convert a number to scientific notation?

Back

To convert a number to scientific notation, move the decimal point to create a number between 1 and 10, then multiply by 10 raised to the number of places moved.

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