Rational and Irrational Numbers

Square Roots

100

What are the square roots of 81?

9 and -9.

200

What two integers is the sqaure root of 87 between? 

9 and 10.

300

What is the square root of 127 rounded to the nearest hundredth?

A) 11     B)  10.7      C) 11.3       D)    11.9

C

400

WildCARD!!! Which of the following is an irrational number: 6, 3/2, 18/0, 3.666666...., 7.121212......

18/0

500

Is the square root of 46 rational or irrational? Do NOT use a calculator.

Irrational. 

Rational Numbers

100

What type of decimals are considered rational numbers?

repeating and terminating decimals

200

What type of fractions are considered rational numbers?

any fraction where the denominator is NOT zero

300

Which of these numbers are Rational numbers: 6, 80, 3.5, 7/1, 8.1111111111....

All are rational numbers

400

Which of these numbers are NOT rational numbers? 56, 800.1, 5.131452..., 78/3, 3.1415...

5.131452 and 3.1415

500

Is the cube root of 64 rational or irrational? Do NOT use a calculator.

Rational. 4 cubed = 64

Irrational Numbers

100

True or False: 80% is irrational

False.

200

What type of decimals are considered irrational?

Decimals that go on forever and have no repeating pattern

300

Which of the following are considered irrational numbers: 19.3, 2.323232...., 46, 6.1425...., 0/67

6.1425......

400

Which of the are NOT irrational numbers? 17/3, 4.6354...., square root of 17, 8

17/3 and 8

500

Is .163163163163... rational? 

Yes. 

Cube Roots

100

Name any perfect cube root.

Example answers... 1,8,27,64,125.

200

The cube root of 87 is between what two integers?

4 and 5.

300

Wildcard!!What are the perfect squares greater than 65, but less than 142. 

81    100   121

9²     10²     11²

400

What is the cube root of 27,000?

3³     

500

What is the approximate value of the square root of 97?

A)  9.2      B)  9.8    C)  100     D)  10.2

B

Roots & Decimals

100

what is 0.66666... repeating as a fraction?

6/9   or   2/3

200

What 2 consecutive numbers does the square root of 30 fall in between?

5 and 6

300

What is the approximate value for the square root of 80?

A) 8.5        B)   8.1      C)   8/10      D)  8.9

D

400

What is the approximate value for the square root of 119?

A)  11.2      B)  10.19     C)  10.86    D) 10.3

C

500

Place the following numbers in order from least to greatest square root of 12, 4.3, square root of 23, 3, square root of 34

3, square root of 12, 4.3, square root of 23, square root of 34