Classifying Real Numbers and Squares and Square Roots

Find √50. Round your answer to the nearest tenth.

• 7.2

• 6.9

• 7.1

• 7

Which of the following is a perfect square?

• 39

• 50

• 6

• 81

65

• Is a perfect square.

• Is not a perfect square.

144

• Is a perfect square.

• Is not a perfect square.

11²

• 132

• 144

• 121

• 22

14²

• 169

• 196

• 28

• 144

The √20 is between which two integers?

• 2 & 3

• 3 & 4

• 4 & 5

• 5 & 6

The √40 is between which two integers?

• 7 & 8

• 6 & 7

• 5 & 6

• 4 & 5

A perfect square is created when a whole number is multiplied by ___

• a different number

• itself

• a two digit number

• a fraction

What is 17²?

• 256

• 289

• 324

• 361