Rational and irrational numbers

Which of the following is a natural number?

• 0

• -12

• 22

• 1/2

• -16

Which of the following is a whole number?

• 0

• -22

• 1.62

• 7

Which of the following is an integer?

• 1.78

• 7/16

• 4/9

• -14

Which of the following is a rational number?

• 1.1254752932…

• 2.75

• 5739.019202..

• 7382.840028483…

Which of the following is an irrational number?

• 5

• -42.8

• 1.222222222…

• 6.984426876…

Which of the following is NOT an integer?

• -1.5

• 17

• -49,000

• 0

Which of the following is NOT a natural number?

• 8

• 4

• 16

• 0

Which is the correct definition for an integer?

• Negative infinity to infinity, no fractions or decimals.

• One to infinity, no negatives, fractions or decimals.

• Zero to infinity, no negatives, fractions or decimals.

• All numbers that can be written as a fraction.

Which of the following is the correct definition for a whole number?

• A negative number.

• A decimal that does not repeat or end.

• A positive number that does not contain a fraction or decimal. (Includes zero)

• A positive number that does not contain a fraction or a decimal, not including zero.

Which of the following is the correct definition for an irrational number?

• Any negative number,

• A decimal that does not repeat or end.

• Any positive number.

• Any number that can be written as a fraction.