The Number System
Math Vocabulary
Rational Numbers
Irrational Numbers
Number line
100
A whole number is
What is "0" and counting numbers, i.e. 0,1,2,3,4...
100

______ is a decimal which has a final digit (aka it stops).

What is a terminating decimal

100

What two types of decimals can be rational numbers.

What is terminating, repeating decimals.

100

Give an example of an irrational number

pi, √50, √3, √-9

100

least to greatest:

-√9, √25, -3/4, -√25

What is -√25, -√9, -3/4, √25?

200

Name three integers

What are...-1, -2, -3, 0, 1, 2, 3...

200

___________ is a decimal which has a repeating pattern

What is a repeating decimal

200

A rational number is any number that can be written as ____.

What is a ratio

200

Which of the following is an irrational number: .121212121212... .456661455561... .456745674567...

What is .456661455561...

200

Least to greatest

√64, -√100, 1/2 , -1/2

-√100, -1/2, 1/2, √64

300


Give examples of rational numbers

3, 1/2, -5, 195, 3.4444, 6/15, -45, -2/3

300

A number made by squaring a whole number.

What is a Perfect Square.

300

A rational number is this type of square root

What is a perfect square

300

Which of the following is an irrational number: √49 √144 √62

What is √62

300

round to nearest tenth

√50

what is 7.1

400

3.12703182091809... falls into what set of numbers?

What is irrational numbers, real numbers.

400

True or False :  6/15  is a terminating decimal 

What is true?

400

 7/8 is a __________ (terminating or repeating) decimal.

What is terminating decimal, .875

400

Why is pi considered an irrational number?

What is because it is a non-repeating non-terminating decimal.

400

What is the approximate value of the square root of 30?

What is 5.5

500

√144 falls into what set(s) of numbers?

What is whole numbers, integers, rational numbers and real numbers.

500

A real number can be what type(s) of numbers?

What is whole numbers, integers, rational numbers, irrational numbers

500

2/3 is a __________ (repeating or terminating) decimal.

What is repeating decimal, 2.6666..

500

Which category do irrational numbers fall under?

real numbers

500

What is the approximate value of the square root of 72?

What is 8.5