Classifying Rational Numbers

Classify the number 120.

• Whole, integers, rational.

• Natural, irrational, complex.

• Prime, composite, whole.

• Negative, decimal, rational.

Is 7 a rational number?

• Yes, because it can be expressed as 7/1.

• No, because it cannot be expressed as a fraction.

• Yes, but only if it is a whole number.

• No, because it is an irrational number.

Classify the number -23.

• Rational, integer.

• Irrational, whole number.

• Complex, non-integer.

• Natural, positive number.

Classify the number -1/2.

• Irrational

• Whole number

• Rational

• Integer

Is every whole number also a rational number?

• Yes, every whole number can be expressed as a fraction with a denominator of 1.

• No, whole numbers cannot be expressed as fractions.

• Only positive whole numbers are rational.

• Whole numbers are not considered numbers in mathematics.

Which of the following is NOT an integer: 0, 1.57, -6, 10?

• 0

• -6

• 10

• 1.57

What is the difference between rational and irrational numbers?

• Rational numbers can be expressed as fractions, while irrational numbers cannot be expressed as simple fractions.

• Both rational and irrational numbers can be expressed as fractions.

• Rational numbers are always whole numbers, while irrational numbers are decimals.

• Irrational numbers can be expressed as fractions, while rational numbers cannot.

Is -9 an integer?

• True

• False

• Not sure

• Only positive numbers are integers

Classify the number 0.

• Whole, integer, rational.

• Natural, irrational, complex.

• Prime, composite, whole.

• Negative, decimal, integer.

Classify the number 3.14.

• Irrational

• Rational

• Integer

• Whole number