Real Number System Quiz

Classify the number: -23

• Rational

• Integer

• Real, Rational, Integer

• Real, Rational, Whole

Classify 17/10

• Whole

• Irrational

• Rational

• None of the above

Which statement is NOT true?

• Every rational number is a real number

• Every integer is a rational number

• Every decimal number is an irrational number

• Every whole number is a rational number

A repeating decimal or decimal that terminates is called a

• Natural Number

• Rational Number

• Irrational Number

• Whole Number

A number can be rational and irrational.

• True

• False

Which best describes an irrational number?

• Any number that can be expressed as a fraction

• A number that is a non-terminating, non-repeating decimal

• A positive or negative

• A perfect square

An example of an integer is...

• 9.1
• 8/9
• -9
• -2.3

Classify the number: 0

• natural, whole, integer, rational, real

• integer, irrational, real

• irrational, real

• whole, integer, rational, real

Classify the number: 3

• natural, whole, integer, rational, real

• whole, integer, rational, real

• natural, whole, integer, irrational, real

• natural, whole, integer, rational

Natural numbers are:

• 1.5, 2, 2.5, 3, . . .

• 0,1,2,3,4,5...

• 1, 2, 3, 4, . . .

• . . . , -2, -1, 0, 1, 2, . . .