Classifying Different Types of Numbers

Which of the following can be expressed as a fraction?

• e (Euler's number)

• π (pi)

• √2 (square root of 2)

• 0.75

What is a characteristic of irrational numbers?

• Their decimal form terminates or repeats.

• They are always negative.

• They can be expressed as a fraction.

• They cannot be expressed as a fraction.

Which of the following is a natural number?

• -1

• 0.5

• 0

• 1

Which of the following is NOT an integer?

• 0.75

• -5

• 3

• 0

What type of number is -7?

• Irrational number

• Integer

• Whole number

• Natural number

Which of the following numbers is rational?

• √2 (square root of 2)

• 0.5

• e (Euler's number)

• π (pi)

What is the classification of -16?

• Irrational number

• Integer

• Whole number

• Natural number

Which of the following is NOT a whole number?

• 1

• -1

• 0

• 2

Which number fits into the categories of natural number, whole number, and integer?

• 0.5

• -2

• 2

• 0

Which of the following is NOT a natural number?

• 1

• 2

• 3

• 0