Exploring Rational and Irrational Numbers

What is the root word of 'rational'?

• Ratio

• Ration

• Rate

• Rationalize

Which of the following is an example of a rational number?

• Square root of 2

• Pi

• Square root of -9

• 3/5

What happens when you divide a number by zero on a calculator?

• You get a real number

• You get a syntax error

• You get a positive number

• You get a negative number

Which of the following is NOT a real number?

• 5/0

• 7

• 3/4

• Square root of 16

What is the square root of 9?

• 4

• 5

• 3

• 2

Which of the following is a perfect square?

• Square root of 2

• Square root of 32

• Square root of 25

• Square root of -9

Which of the following is a natural number?

• 0.5

• -1

• 1

• 0

Which of the following is a terminating decimal?

• 0.666...

• 0.25

• Pi

• 0.333...

Which of the following is an example of a non-terminating decimal?

• 0.333...

• 0.75

• 0.25

• 0.5

Why is pi considered an irrational number?

• It can be written as a fraction

• It is a whole number

• It is a non-terminating decimal

• It is a repeating decimal