Vocabulary
Rational Numbers 1
Rational Number 2
Irrational Numbers
Square Roots
100

_______ refers to a decimal that has a final digit. 

What is terminating?

100

Write 28.4 in a way that shows it is a rational number.

28 4/10  or  28  2/5

100

These are two kinds of rational decimals.

What are terminating and repeating decimals?

100

Which of the following is an irrational number? 

a. 45.454545454545464646...

b. 0.2325123251232512325...

c. 0.1313131313131313131...

d. 3.3456345673456734567...

a

100

What whole numbers does sqrt (13) fall between? 

3 & 4
200

0, 15, -7, 4, 25, & -10 are examples of this kind of number. 

What is an integer? or What are some examples of integers?

200

Write 3.35 as a fraction without reducing.

335/100  

200
This is the only rational square root. 

What is a perfect square?

200

Which of the following is an irrational number? 

a. sqrt (49)

b. sqrt (144)

c. sqrt (62)

c
200
What two whole numbers does sqrt (185) fall between?

13 & 14

300

______ and _______ are decimals that go on forever. 

What are repeating and non-terminating non-repeating decimals?

300

Reduce 335/100 without turning it into a mixed number.

67/20

300

9/8 is a ______ decimal. 

What is a terminating decimal? 1.125

300

Why is pi considered an irrational number?

It is a non-repeating non-terminating decimal. 

300

What is the approximate square root of 300 to the tenth?

17.3

400

An irrational number is a number that cannot be written as _______. 

What is a fraction or ratio? a/b a:b
400

Write the 0.777778... as a fraction. (repeating decimal)

7/9 

400

85/15 is a ________ decimal. 

What is a repeating decimal? 5.666667...

400

What are the two ways you can express an irrational number? 

What are non-perfect squares and non-terminating non-repeating decimals?

400

Compare the two numbers: sqrt (85)       85/9

sqrt (85) < 85/9

500

Define the missing decimal: terminating, repeating, and... 

What is a non-terminating non-repeating decimal? What is a decimal that continues on infinitely without the use of a repeating pattern?

500

Convert the fraction to a decimal 14/20.

0.7

500

Prove that sqrt (196) is a rational number. 

sqrt (196) = 14^2  or 14 x 14

500

Is 1/7 irrational or rational?

Rational. 0.14285714285714...

500

Write the numbers in order from smallest to largest. 

a. sqrt (6)

b. 1.6

c. 5/2 

d. sqrt (15)

b, a, c, d


1.6, sqrt (6), 5/2, sqrt (15)