Summary: Adding Integers
Key Concepts
- Addition of Positive and Negative Integers
Both positive, Sum positive Both negative, Sum negative When the signs are the same, the counters would be all the same color, so add them. Different signs, More negatives Different signs, More positives Sum negative Sum positive When the signs are different, some counters would make neutral pairs; subtract to see how many are left.
- Adding Integers with Same Sign Using Color Counters
- Adding Integers with Different Signs Using Counters
- Ex1: Adding Integers
- Ex2: Adding Integers