Real Number System

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.

Front

Define 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.

Tags

CCSS.5.NBT.A.2

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.

Tags

CCSS.8.NS.A.1

Front

Give an example of an irrational number.

Back

Tags

CCSS.8.NS.A.1

Front

What is a natural number?

Back

Natural numbers are the set of positive integers starting from 1, used for counting.

Front

What is a whole number?

Back

Whole numbers are all natural numbers including zero (0, 1, 2, 3, ...).

Front

What is an integer?

Back

Integers are whole numbers that can be positive, negative, or zero (-2, -1, 0, 1, 2, ...).

Front

What is the difference between rational and irrational numbers?

Back

Rational numbers can be expressed as fractions, while irrational numbers cannot be expressed as fractions.

Front

Back

Tags

CCSS.8.NS.A.1

Front

Which of the following is NOT a natural number: 0, 1, 2, 3?

Back

0 is NOT a natural number.