Number Systems

Which set(s) does the number 5 classify under? Select all that apply

• Natural

• Whole

• Rational

• Irrational

The set of Natural numbers is bigger than the set of whole numbers.

• True

• False

What is the difference between rational and irrational numbers?

• Rational numbers are counting numbers, irrational are decimals

• Rational number can convert to fractions, irrational cannot

• Rational numbers include decimals, irrational include fractions

• Rational number are divisible by 3, irrational are divisible by 2

The square root of a number will always be irrational? *Hint, try a few

• True

• False

What are the main characteristics of an irrational number? Select all that apply

• Repeating

• Non-repeating

• Terminating

• Non-terminating

We use the letter Q to represent the set of Rational Numbers because...

• R is already used for Real

• Q stands for quarter of numbers

• Q stands for quotient

• Q stands for quadrant

What is the smallest set of numbers?

• Natural

• Whole

• Integer

• Rational

Which set of numbers include positive whole numbers, negative whole numbers, and zero?

• Natural

• Whole

• Integer

• Rational

Which set of numbers would

 $-3.2$  belong to?

• Natural

• Whole

• Integer

• Rational

What is the most recognized example of an irrational number?

• $\beta$

• $\pi$

• $\theta$

• $\infty$