Adding and with Counters
Visualizing the addition of same-sign integers involves combining counters of a single color without forming neutral pairs. For the sum , joining 5 blue (positive) counters with 3 blue counters produces 8 blue counters, meaning . Likewise, to evaluate , putting 5 red (negative) counters together with 3 red counters results in an accumulated 8 red counters, which demonstrates that .
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