Classifying & Estimating Real Number System Quiz

Which numbers represent a rational number? Select all that apply.

• -21.25

• 6

• -6

• No solution

• <

• >

• =

√7

• Rational 
• Irrational

• 7 and 8
• 8 and 9
• 6 and 7

• Natural

• Whole

• Integer

• Rational

• Irrational

Which of the following statements in NOT true?

• All integers are rational numbers.

• Some rational numbers are whole numbers.

• All whole numbers are natural numbers,

• All irrational numbers are real numbers.

Which of the following sets does not contain any irrational numbers?

• {-5.12, π, 30}

• { 9/2, √100, 5.123}

• {√80, 100, 6.56}

• {5.123..., 1/2, -65}

Select all: Which categories does the number 3.7 belong to?

• Real numbers

• Rational numbers

• Integers

• Whole numbers

• Natural numbers

The √40 is between which two consecutive whole numbers?

• 7 & 8
• 4 & 5
• 5 & 6
• 6 & 7