Rational & Irrational Numbers

Front

What is 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; it cannot be written as a ratio of two integers.

Tags

CCSS.8.NS.A.1

Front

Is pi (π) a rational or irrational number?

Back

Irrational

Tags

CCSS.8.NS.A.1

Front

Is 4π a rational or irrational number?

Back

Irrational

Tags

CCSS.8.NS.A.1

Front

Is -17.5 a rational or irrational number?

Back

Rational

Front

What is the square root of 2 (√2)?

Back

Irrational

Tags

CCSS.8.NS.A.1

Front

Is 0.141414141414... a rational or irrational number?

Back

Rational

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

Front

Give an example of a rational number.

Back

Examples include 1/2, 3, -4, or 0.75.

Front

Give an example of an irrational number.

Back

Examples include √3, π, or e.

Tags

CCSS.8.NS.A.1

Front

What is the decimal representation of a rational number?

Back

A rational number can have a terminating or repeating decimal representation.

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1