Classifying Real Numbers😊

-5 is a(n) ______

• Integer

• Rational number

• Irrational number

• Whole number

√81 is a(n) _____

• Rational number

• Irrational number

• Whole number

• Natural number

Answer explanation

Remember √81 = 9.😇

Which of these is an integer?

• -√16

• • - 5/7

• √7

• -1.5

Which of these is an irrational number?

• -√16

• • - 5/7

• √7

• -1.5

0 is a(n)____

• Rational number

• Natural number

• Whole number

• Real number

Answer explanation

Remember natural numbers begin with 1, so 0 is not a natural number. 😇

• -√5/7 is a(n) _______

• Rational number

• Irrational number

• Integer

• Real number

Which of these are irrational numbers?

• ²√3

• -√64

• -√4/5

• -3⅖

Answer explanation

-√64 = -8, so it's an integer, not an irrational number!😉

All whole numbers are also _____

(for example 6 and 65).

• Rational numbers

• Real numbers

• Natural numbers

• Integers

Select all the natural numbers:

• 0

• 234

• • - 45

• 12

Select all the integers:

• • - 3.4

• • - √1

• 0

• - 5/8

Answer explanation

-√1 = -1, so it's an integer!😊