Basic Mathematics: The Integer Number System

Chapter Outline

1. Zero
2. Range of Integers
3. Identity
4. Additive Inverse
5. Subtract – Add Inverse
6. Addition of Negative Numbers
7. Number Line / Counters
8. 5 Digit Counters
9. Addition is Commutative
10. Subtraction is not Commutative
11. Inverse - 5 Digit Counters
12. Addition of 3 Numbers
13. Addition is Associative
14. Subtraction of 3 Numbers
15. Subtraction is not Associative
16. Grouping and Ordering
17. Addition with 10 Counters
18. Integers are Closed under Subtraction

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