Squares, Square Roots, Rational, Irrational, Repeating Decimals

Squares

100

What is the sum of:

1²+2²+3²+4²?

30

200

What is 7² - 5² + 13²?

193

300

What is (-6)²?

36

400

What is the square of 20

400

500

What is 19²?

361

More Squares

100

What is 3²?

9

200

What is -9²?

-81

300

Evaluate: (15² - 14²)

29

400

What is 29²?

841

500

What is 201²?

40401

Square Roots

100

What is the square root of 16?

4

200

Is 25 a perfect square? If yes, what is the square root of 25?

Yes, 5

300

What is the square root of 169?

13

400

What is the square root of 256?

16

500

Is 121 a perfect square? If yes, what is the square root of 121?

Yes, 11

More Square Roots

100

Is 8 a perfect square? If yes, what is the square root of 8?

No

200

What is the square root of 100?

10

300

What is the square root of 144?

12

400

Is 289 a perfect square? If yes, what is the square root of 289?

17

500

What is the square root of 441?

21

Rational, Irrational, Repeating Decimals

100

Is the square root of 2 times rational or irrational? Support your answer with an explanation. 

Irrational. The decimal does not repeat or terminate

200

Write 0.52424... as a fraction (in simplest form). 

173/330

300

Is the square root of 400 rational or irrational? 

If rational, what is the number? If irrational, why?

Rational, the square root of 400 is 20

400

What makes a number rational? What rules must be followed?

Rational numbers can be written as a ratio.  Written as a decimal they either terminate, or repeat

500

Identify 5 rational numbers and 5 irrational numbers. 

Many options of answers.