First 20 Perfect Squares

Look at the following pattern:  
36, 49, 64, ____, 100, 121, 144 …….   What number would you need to put in the blank to complete the pattern?

• 68

• 81

• 90

• 95

Which of the following is a perfect square?

• 115

• 125

• 155

• 169

Which of the following lists contains only perfect squares?

• 64, 125, 196, 289

• 1, 100, 200, 400

• 36, 169, 225, 300

• 25, 144, 256, 361

What is 20² ?

• 40

• 500

• 400

• 202

Which best describes a perfect square?

• a number whose only factors are 1 and itself

• the sum of any two factors

• the product of any factor multiplied by 2

•  the product of any factor multiplied by itself

5² =

7² =

9² =

12² =

17² =