Exploring Rational vs Irrational Concepts

What should you use to input the value of pi in your calculator?

• 3.14

• 3.14159

• The pi key

• 22/7

What does it mean if a number's decimal representation goes all the way to the edge of your calculator?

• The decimal goes on forever

• The number is negative

• The number is an integer

• The number is very large

Which of the following is a natural number?

• -1

• 1.5

• 0

• 2

What is the main difference between natural numbers and whole numbers?

• Whole numbers include negative numbers

• Whole numbers include zero

• Natural numbers include fractions

• Natural numbers include zero

Which of the following is an integer?

• 0.75

• -3

• 1/2

• 2.5

What is a key characteristic of rational numbers?

• They are always whole numbers

• They are always positive

• Their decimal form terminates or repeats

• They cannot be written as fractions

Which of the following is a rational number?

• 0.333...

• √2

• π

• e

What defines an irrational number?

• Its decimal form does not repeat or terminate

• It is always negative

• Its decimal form terminates

• It can be written as a fraction

Which of the following is an example of an irrational number?

• 0.75

• 4

• 1/2

• √3

In a Venn diagram, where would you place the number 0?

• Irrational numbers

• Whole numbers

• Rational numbers

• Natural numbers