Understanding Rational Numbers

What is a rational number?

• A rational number is a number that is always a whole number.

• A rational number is any number that can be expressed as a fraction where the numerator and denominator are integers, and the denominator is not zero.

• A rational number is any number that can be expressed as a fraction where the numerator and denominator are integers, and the denominator is zero.

• A rational number is a number that cannot be expressed as a fraction.

Is 0 a rational number?

• Yes

• No, because it is an imaginary number

Can a rational number be negative? Explain.

• Sometimes

• No

• Maybe

• Yes

Difference between two negative integers is always ____

• Integer

• Whole number

• Rational number

• Both integers and rational

• None of the above

All integers come under rational numbers.

True or false??

• True
• False

What is the additive identity for integers and whole number??

• 1

• 2/2

• Both a and c

• 0

What is the multiplicative identity for rational numbers ?

• 2/2

• 1

• -1/-1

• 0

• All of the above except 0

Which property does it lie

[6×12]×3/4 = 6×[12×3/4]?

• Commutative

• Associative

• Distributive

• None of the above

Subtraction of the two whole number always give result in whole number. True or false?

• True

• False

• Cannot determine

Difference between two integers is -------

• Commutative

• Not commutative