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1. Using Counters Objective: Use counters to solve the addition of negative and positive integers. 
2. Adding positive integers 
3. Adding positive integers 
4. Adding positive integers 
5. Adding positive integers 
6. Adding positive integers 
7. Adding positive integers 
8. Adding positive integers 
9. Adding positive integers 
10. Adding positive integers 
11. Adding positive integers 
12. Adding positive integers 
13. Adding integers with different signs Rule: Subtract the absolute values of the integers. The difference will have the same sign of the integer with the greatest absolute value. 
14. Example 
15. Alternative MethodUse counters to add unlike signed integers. 
16. Alternative MethodUse counters to add unlike signed integers. 
17. Alternative MethodUse counters to add unlike signed integers. 
18. Alternative MethodUse counters to add unlike signed integers. 
19. Alternative MethodUse counters to add unlike signed integers. 
20. Alternative MethodUse counters to add unlike signed integers. 
21. Alternative MethodUse counters to add unlike signed integers. 
22. Alternative MethodUse counters to add unlike signed integers. 
23. Alternative MethodUse counters to add unlike signed integers. 
24. Alternative MethodUse counters to add unlike signed integers. 
25. Alternative MethodUse counters to add unlike signed integers.