2. Sets and Subsets Cornell Notes
NOTEBOOK SET-UP
TABLE OF CONTENTS
PAGE 5
Sets and Subsets Cornell Notes 6 7 8 9 10

3. CORNELL NOTES

4. What are sets and subsets and how do I identify them?
Essential Question
What are sets and subsets and how do I identify them?

5. Additive Inverse- The opposite of a number.
Set- A group of items.
Subset- A set of which all the elements are contained in another set

6. Rational Numbers
A rational number is a real number that can be written as a ratio of two integers.
A rational number written in decimal form is terminating or repeating.

7. Terminating Decimal- A decimal with a finite number of digits.
(IT STOPS)
Repeating Decimal- A recurring decimal with an infinite number of digits
(IT REPEATS) … …. ….

8. Examples of Rational Numbers16
3.56 -8
1.3333…
2.5656

9. Subsets of Rational Numbers
Natural Numbers
Whole Numbers
Integers

10. One of the subsets of rational numbers
Natural Numbers
One of the subsets of rational numbers

11. What are Natural Numbers?
Natural Numbers are known as your counting numbers.
Natural Numbers do not include zero! 1 2 3 4 5…

12. One of the subsets of rational numbers
Whole Numbers
One of the subsets of rational numbers

13. What are Whole Numbers? Whole numbers are natural numbers and zero.
Examples of whole numbers are 3 74 9 67

14. One of the subsets of rational numbers
Integers
One of the subsets of rational numbers

15. What are integers? Integers are the whole numbers and their opposites.
Examples of integers are 6
-12
186
-934

16. All the following are rational numbers
Natural Numbers, Whole Numbers, and Integers are rational numbers because they can be written as a fraction with 1 as the denominator.

18. Sets and Subsets of Rational Numbers

19. TO IDENTIFY RELATIONSHIPS
Number
Rational
Integer
Whole Numbers
Natural Numbers

20. TO IDENTIFY RELATIONSHIPS
Number
Rational Number
Integer
Whole Numbers
Natural Numbers  X X 

21. SUMMARY
Write two or more sentences that summarize the notes and answers the essential question in your own words.

22. EXIT TICKET Part 1 Check the appropriate box or boxes for each real number
Irrational Number
Rational Number
Integer
Whole Numbers
Natural Number
-18
𝟑 𝟓
(Pi) ∏
6 2 98

23. Tell whether the given statement is true or false.
Exit Ticket
Tell whether the given statement is true or false.
Explain your choice.
1.) Mixed numbers can be rational numbers.
2.) All negative rational numbers are integers.
3.) All whole numbers are rational numbers.
4.) No integers are whole numbers.