The Number System
Math Vocabulary
Rational Numbers
Irrational Numbers
Ordering Real Numbers
100
A whole number is
What is 1,2,3,4...
100
______ is a number that can be expressed as a fraction.
What is a "rational number"?
100
What two types of decimals can be rational numbers.
What is terminating, repeating decimals.
100
Name the two ways irrational number may be expressed.
What is square roots, decimals
100
The square root of 2 is between
What is "1" and "2"?
200
Define an integer
What is ...negative, positive whole numbers and zero?
200
Provide the three necessary parts of an integer.
What is a whole number, positive and negative, and zero.
200
A rational number is any number that can be written as ____.
What is a over b, a/b.
200
Which of the following is an irrational number: .121212121212... .456661455561... .456745674567...
What is .456661455561...
200
Order the following Real Numbers: Pi, the square root of 9, and 3.1
What is the square root of 9, 3.1, and Pi?
300
Name the four sub sets of numbers with in the real numbers set.
What is whole numbers, integers, rational numbers, irrational numbers.
300
This type of decimal will continue to infinity, giving the same pattern.
What is a repeating decimal.
300
A rational number is any number that can be written as ____.
What is a over b, a/b.
300
Which of the following is an irrational number: √49 √144 √62
What is √62
300
The square root of 7 is closer to ____
What is 3?
400
3.12703182091809... falls into what set of numbers?
What is irrational numbers, real numbers.
400
An irrational number is any number that can not be written in what form?
What is a over b, or a/b
400
9/8 is a __________ decimal.
What is terminating decimal, 1.125.
400
Name two types of decimals that are NOT considered irrational.
What is terminating and repeating decimal.
400
The square root of 1/4 is > or < 1/3
What is ">"?
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 __________ decimal.
What is repeating decimal, 0.666666...
500
Explain why PI (π) is an irrational number.
What is PI has a decimal expansion that repeats infinitely with no pattern.
500
The set of numbers between whole numbers and rational numbers.
What is the set of "Integers"?
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