8th Grade Math: Rational Numbers Review

Front

What is a rational number?

Back

A rational number is any number that can be expressed as the quotient or fraction p/q of two integers, where the numerator p is an integer and the denominator q is a non-zero integer.

Front

Can all integers be considered rational numbers?

Back

Yes, all integers are rational numbers because they can be expressed as a fraction with a denominator of 1.

Front

Is 0 a rational number?

Back

Yes, 0 is a rational number because it can be expressed as 0/1.

Front

Are repeating decimals considered rational numbers?

Back

Yes, repeating decimals are considered rational numbers because they can be expressed as fractions.

Front

Give an example of a rational number that is not an integer.

Back

An example of a rational number that is not an integer is 1/2.

Front

Is the number 5/3 a rational number?

Back

Yes, 5/3 is a rational number because it can be written as a fraction of two integers with a non-zero denominator.

Front

Can a negative number be a rational number?

Back

Yes, negative numbers can be rational if they can be written as a fraction of two integers, such as -4/7.

Front

Is the decimal 0.25 a rational number?

Back

Yes, 0.25 is a rational number because it can be expressed as the fraction 1/4.

Front

Is the square root of 9 a rational number?

Back

Yes, the square root of 9 is 3, which is a rational number because it can be expressed as 3/1.

Front

Can a rational number have a denominator of zero?

Back

No, a rational number cannot have a denominator of zero because division by zero is undefined.