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Name:_______________________________________
Irrational Numbers & Classifying Numbers
1. Which of these numbers is irrational?
A. √16
B. √15
C. √36
D. √100
2. Which of these numbers is an integer?
A. -4.0
B. 1.50
C. -5/8
D. ∞
3. Which of these numbers is irrational?
A. √41
B. 2/4
C. 1.6
D. 1/3
4. The number 0 can be classified as:
A. an integer
B. a real number C. a whole number
D. all of these
5. Classify 2 7/9 :
A. real number
D. integer
B. whole number C. irrational number
6. What type of number is √50 ?
A. an integer B. a rational number C. a whole number D. an irrational number
7. Classify the number 2:
A. irrational number B. natural number C. both A and B D. neither A nor B
8. 0.5 is what type of number?
A. an integer B. a natural number C. a rational number D. a whole number
9. What type of number is √163 ?
A. an integer B. a rational number C. a whole number D. an irrational number
10. 8 4/5 falls into what category?
A. real numbers B. whole numbers C. irrational numbers D. integers
11. All integers are also:
A. rational numbers B. whole numbers C. natural numbers D. irrational numbers
12. Which of these numbers is irrational?
A. √16
B. √ 2
C. √9
D. √49
13. Natural numbers are part of every other category of number except:
A. integers B. irrational numbers C. whole numbers D. real numbers
14. Why is п considered an irrational number?
A. it is a non-repeating decimal B. the decimal never terminates C. both A and B
D. neither A nor B
15. Natural numbers:
A. are positive and negative B. include the number 0 C. are only positive
integers D. include decimals and fractions
16. Real numbers include:
A. negative numbers only B. fractions only C. any number on the number line
D. all of the above
17. Why is o.3 a rational number?
A. It is on the number line. B. The number can be written as a ratio of two
integers. C. It is a decimal. D. The numbers can not be written as a ratio of two
integers.
18. The following numbers fall into the following categories EXCEPT? 7/8. -1, 0.3
A. rational numbers B. integers C. natural numbers D. real numbers
19.Which of the following are irrational numbers?
A. п B. 4.8 C. √-9 D. all of the above
20.All rational numbers are also:
A. real numbers B. Natural numbers C. integers D. whole numbers
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