The Number System
Math Vocabulary
Rational Numbers
Irrational Numbers
Non-Perfect Squares
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.
What is a terminating decimal
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 that are not perfect squares, decimals that are non-repeating and non-terminating
100
what whole #s does the square root of 13 come between?
What is 3 & 4
200
Name three integers
What is ...-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 over b, a/b.
200
Which of the following is an irrational number: .121212121212... .456661455561... .456745674567...
What is .456661455561...
200
what whole #s does the square root of 40 come between?
What is 6 & 7
300
Name the two sub sets of numbers within the rational numbers set.
What is whole numbers and integers
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
what whole #s does the square root of 99 come between?
What is 9 & 10
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, a/b
400
9/8 is a __________ decimal.
What is terminating decimal, 1.125.
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 5.4
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
85/15 is a __________ decimal.
What is repeating decimal, 5.6...
500

Give examples of two different types irrational numbers and explain what makes them irrational.

Answers Vary. Examples: Non-perfect squares, non-terminating, non-repeating decimals.

500
What is the approximate value of the square root of 72?
What is 8.5
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