Introduction to Rational Number: Concept Review

Which of the following best describes a rational number?

(Read all questions carefully)

• A number that cannot be written in the form of a fraction.

• A number that can be expressed as a fraction.

• A number that can be expressed as a fraction, where the denominator is not equal to 0.

• A number that cannot be written as a fraction, where the denominator is not equal to 0.

Which of the following is not an example of a rational number?

Matthew explains to his teacher that the decimal equivalent of all rational numbers either terminates in 0s or eventually repeats. Is Matthew's explanation correct?

• Yes, the decimal equivalent is a terminating or repeating decimal.

• No, the decimal equivalent is only a terminating decimal.

• A

• B

• C

• D

• I and III

• II and III

• I only

• I and IV

All rational numbers can be converted to a decimal. Which of the statements below is TRUE?

• Fractions can be converted to decimals by using Long Division. Divide the denominator by the numerator.

• Fractions can be converted to decimals by multiplying. Multiply the denominator by the numerator.

• Fractions can be converted to decimals by using Long Division. Divide the numerator by the denominator.

• Fractions can be converted to decimals by multiplying. Multiply the numerator by the denominator.

• It is an irrational number.

• It is a terminating decimal that is equal to 0.67.

• It is a repeating decimal that is equal to 0.666...