Rational vs Irrational

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

Give an example of a rational number.

Back

Examples include 1/2, -3, 0.75, and 2.

Front

Give an example of an irrational number.

Back

Tags

CCSS.8.NS.A.1

Front

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero, but does not include fractions or decimals.

Front

What are whole numbers?

Back

Whole numbers are non-negative integers, including zero (0, 1, 2, 3, ...).

Front

Is 3.74 a rational number?

Back

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

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

What is a perfect square?

Back

A perfect square is a number that can be expressed as the square of an integer, such as 1, 4, 9, 16.

Tags

CCSS.6.EE.A.1

Front

What is a decimal that never ends and never repeats?

Back

This is an example of an irrational number, such as pi (π) or the square root of 2.

Tags

CCSS.8.NS.A.1