The Rational Number System Worksheet #1 - Montgomery County Public Schools
Subject: Math Unit: Number Concepts
Lesson: Two
email:info@youtheducationservices.ca youtheducationservices.ca
The Rational Number System Worksheet
Classify these numbers as rational or irrational and give your reason. 1. a. 7329
b. 4 2. a. 0.95832758941...
b. 0.5287593593593
Give an example of a number that would satisfy these rules. 3. a number that is: real, rational, whole, an integer, and natural 4. a number that is: real and irrational 5. a number that is: real, rational, an integer
Classify each number as: real, rational, irrational, whole, natural, and integer. Give your reason. 6. a. 3/4
b. -12/4 7. a. 0.345 345 345
b. -0. 6473490424
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Subject: Math Unit: Number Concepts
Lesson: Two
email:info@youtheducationservices.ca youtheducationservices.ca
8. Give examples of rational numbers that fit between the following sets of numbers. a. -0.56 and -0.65 b. -5.76 and -5.77 c. 3.64 and 3.46
9. Which two numbers are irrational? How do you know? a. 8-56 b. 8-25 c. 2-73
10. Place the following numbers in the Venn Diagram. Place the following numbers in the Venn Diagram. Note that some numbers may not fit in the diagram.
-0.462
-56
735
0.326
8321
0
Integers
Whole Numbers
Thank-you to our supporters!
- 2 -
Subject: Math Unit: Number Concepts
Lesson: Two
email:info@youtheducationservices.ca youtheducationservices.ca
The Rational Number System Worksheet Solutions
Classify these numbers as rational or irrational and give your reason. 1. a. 7329 - rational because this number is a natural, whole,
integer b. 4 - rational because in standard form this number is 2 which is a natural, whole, integer
2. a. 0.95832758941... - irrational because the decimal does not repeat or terminate
b. 0.5287593593593 - rational because the decimal eventually repeats
Give an example of a number that would satisfy these rules. 3. a number that is: real, rational, whole, an integer, and natural Answers will vary but could include any counting number: 1,2,3, etc.
4. a number that is: real and irrational Answers will vary but could include any number that has an infinite decimal.
5. a number that is: real, rational, an integer Answers will vary but could include 0 or a negative number.
Thank-you to our supporters!
-1-
Subject: Math Unit: Number Concepts
Lesson: Two
email:info@youtheducationservices.ca youtheducationservices.ca
Classify each number as: real, rational, irrational, whole, natural, and integer. Give your reason. 6. a. 3/4 - real and rational because this number is 0.75 when written in standard form. b. -12/4 - real, rational, and integer because this is -3 when written in standard form.
7. a. 0.345 345 345 ? real and rational because this is a repeating decimal. b. -0. 6473490424 - real and irrational because this is an infinite decimal.
8. Give examples of rational numbers that fit between the following sets of numbers. a. -0.56 and -0.65 - Answers will vary but could include: -0.57 to -0.64 and numbers in between. b. -5.76 and -5.77 - Answers will vary but could include -5.761 to -5.769 and numbers in between. c. 3.64 and 3.46 - Answers will vary but could include 3.461 to 3.462 and numbers in between.
9. Which two numbers are irrational? How do you know? a. 8-56 - This number is irrational because the decimal, 0.516685226, is infinite. b. 8-25 - This number is rational because it equals 3 when expressed in standard form. c. 2-73 - This number is irrational because the decimal, - 6.544003745..., is infinite.
Thank-you to our supporters!
-2-
Subject: Math Unit: Number Concepts
Lesson: Two
email:info@youtheducationservices.ca youtheducationservices.ca
10. Place the following numbers in the Venn Diagram. Note that some numbers may not fit in the diagram.
-0.462 -56
735
0.326 8321
0
Integers
Whole Numbers
735 -56
8321
0
0.326 These numbers are neither
-0.462 integers nor whole numbers
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