During an accounting basics training session, you are recalling the steps of the two-color counter model to represent the problem $-6 - 4$. You start with 6 negative (red) counters. Since you need to subtract 4 positive (blue) counters but currently have none, what is the correct next step?

An inventory manager is using a system of blue (positive) and red (negative) counters to model stock adjustments. To solve the expression ${}6 - (-4)$ using the two-color counter model, arrange the following steps in the correct chronological order.

In a corporate inventory tracking system, positive numbers represent stock arrivals (blue counters) and negative numbers represent stock departures (red counters). Match the following subtraction tasks with the specific steps required to model them using the two-color counter method.

In a corporate inventory training module, a manager uses the two-color counter model to represent the calculation ${}6 - (-4)$. After starting with 6 blue (positive) counters, the manager realizes there are no red (negative) counters to remove. To provide the necessary counters without changing the total value of the set, they must first introduce 4 ____ pairs to the workspace.

Inventory Adjustments with Counter Models