Rational Numbers into A/B

Which answer choice best describes the set of numbers? 3.1 , -1/2 , 1/3, 21.6 , -5.8

• Rational numbers

• Integers and rational numbers

• Whole numbers, integers, rational numbers

• Natural numbers

• A

• B

• C

• D

• A

• B

• C

• D

Malik and Josh are sorting rational numbers into the graphic organizer above. Which student identified and organized the numbers incorrectly? How should he fix his answer?

• Malik is incorrect.

  7 ½ is not an integer

  6.1 is not a whole number

• Malik is correct.

  7 ½ is an integer

  6.1 is a whole number

Rational numbers include any number that can be written as a ratio (or _______).

• fraction

• square root

• real number

Rational numbers are ........

• only positive and negative whole numbers.

• numbers that can be written in the form of a fraction.

Answer explanation

What is a rational number ?

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

• A rational number is a number that can be written as a ratio.

• A rational number cannot be a repeating  decimal.

A rational number:

• can be turned into a fraction.

• is only positive.

• can't have a decimal.

• is not a real number.

A rational number is a number that can be in the form p/q ___.

• where p and q are integers and q is non-zero

• where p and q are integers

• where p and q are counting numbers

• where p and q are whole numbers and q is non-zero

A rational number can be written as a fraction.

• True

• False