7²

2²

3²

4²

5²

6²

8²

 $\sqrt{81}$  

 $-\sqrt{4^2}$  

 $\sqrt{2}$ and  $\pi$ are  _____  numbers?

Numbers that can be written as a fraction are called ______ numbers.

Which of the following is NOT a rational number

Which of the numbers is non-real? (select all that apply)

A decimal that DOES NOT END and has NO PATTERN is ________

A decimal that terminates or continues forever in a pattern is called ________________.

If  $3^3$  = 27, then the _____________ of 27 is 3.