Number Sets

Front

What is a Rational Number?

Back

A rational number is any number that can be expressed as a fraction or ratio of two integers, where the denominator is not zero. Examples include 1/2, 3, and -4.

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. It cannot be written as a ratio of two integers. Examples include √2 and π.

Tags

CCSS.8.NS.A.1

Front

What is a Whole Number?

Back

Whole numbers are non-negative numbers without fractions or decimals. They include 0, 1, 2, 3, and so on.

Front

What is an Integer?

Back

Integers are whole numbers that can be positive, negative, or zero. Examples include -3, 0, and 5.

Front

What is a Natural Number?

Back

Natural numbers are the set of positive integers starting from 1. They include 1, 2, 3, and so on.

Front

Where do Whole Numbers fit in the Number Sets?

Back

Whole numbers are a subset of rational numbers and include all natural numbers along with zero.

Front

Where do Integers fit in the Number Sets?

Back

Integers include all whole numbers and their negative counterparts, making them a broader set than whole numbers.

Front

Can a Natural Number be a Rational Number?

Back

Yes, all natural numbers are also rational numbers because they can be expressed as a fraction (e.g., 3 can be written as 3/1).

Front

What is the relationship between Rational and Irrational Numbers?

Back

Rational numbers can be expressed as fractions, while irrational numbers cannot. Together, they make up the set of real numbers.

Front

Is 0 a Natural Number?

Back

No, 0 is not considered a natural number; it is classified as a whole number.