Real Number System

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 and irrational numbers.

Front

What are Rational Numbers?

Back

Rational Numbers are numbers that can be expressed as a fraction or ratio of two integers, where the denominator is not zero.

Tags

CCSS.5.NBT.A.2

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.

Tags

CCSS.8.NS.A.1

Front

What are Natural Numbers?

Back

Natural Numbers are the counting numbers starting from 1, 2, 3, and so on.

Front

What are Whole Numbers?

Back

Whole Numbers are all Natural Numbers including zero (0, 1, 2, 3, ...).

Front

What are Integers?

Back

Integers are all whole numbers, both positive and negative, including zero (..., -3, -2, -1, 0, 1, 2, 3, ...).

Front

Is zero a Natural Number?

Back

No, zero is not classified as a Natural Number.

Front

What is an example of a Rational Number?

Back

An example of a Rational Number is -2/3.

Front

What is an example of an Irrational Number?

Back

An example of an Irrational Number is π (pi) or the square root of 2.

Tags

CCSS.8.NS.A.1

Front

How can -7.5 be classified?

Back

-7.5 is classified as a Rational Number and a Real Number.