Lesson 16

Perfect Squares

100

What is 2²?

4 

200

What is 5²?

25

300

What is 6²?

36

400

What is 8²?

64

500

What is 9²?

81

Perfect Cubes

100

What is 2³?

8

200

What is 3³?

27

300

What is 5³?

125

400

What is 7³?

343

500

What is 9³?

729

Rational or Irrational Number

100

Is 28973 a rational or irrational number? 

Rational

200

Is a perfect square or a perfect cube rational or irrational? 

Rational 

300

Are repeating decimals rational or irrational? 

Rational 

400

If you have (2Pi / 2) what could you add to the denominator to make this number rational? 

A Pi after the 2

500

Is the Sqrt of 17 rational or irrational? 

Irrational 

True/False

100

True/False 

A negative number is a natural number.

False 

It is an Integer. 

200

True/False 

If a decimal repeats, it is a rational number. 

True 

300

True/False 

In scientific notation, an exponent of -9 means the number is smaller then an exponent of -5. 

True

400

True/False 

7.25 x 10⁴ is not a rational number. 

False. It is rational! It is 72500 which is a natural number. 

500

True/False 

6⁷ / 6³ = 6⁵

False 

It equals 6⁴

Mystery

100

What is a³ x a⁷?

a¹⁰

200

What is 0.00057 in Scientific Notation?

5.7 x 10^-4

300

What are three different kinds of rational numbers? 

Perfect squares, perfect cubes, whole numbers, fractions, repeating decimals, integers

400

What is the equation for Pythagorean Theorem? 

a²+b² = c²

500

What is the capital of Wyoming? 

Cheyenne